/usr/bin/java -Xmx8000000000 -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-NoLbe-OGIterative-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 12:52:16,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 12:52:16,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 12:52:16,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 12:52:16,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 12:52:16,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 12:52:16,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 12:52:16,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 12:52:16,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 12:52:16,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 12:52:16,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 12:52:16,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 12:52:16,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 12:52:16,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 12:52:16,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 12:52:16,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 12:52:16,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 12:52:16,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 12:52:16,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 12:52:16,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 12:52:16,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 12:52:16,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 12:52:16,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 12:52:16,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 12:52:16,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 12:52:16,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 12:52:16,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 12:52:16,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 12:52:16,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 12:52:16,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 12:52:16,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 12:52:16,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 12:52:16,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 12:52:16,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 12:52:16,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 12:52:16,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 12:52:16,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 12:52:16,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 12:52:16,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 12:52:16,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 12:52:16,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 12:52:16,752 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-NoLbe-OGIterative-Hitting.epf [2021-08-13 12:52:16,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 12:52:16,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 12:52:16,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 12:52:16,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 12:52:16,788 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 12:52:16,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 12:52:16,788 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 12:52:16,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 12:52:16,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 12:52:16,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 12:52:16,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 12:52:16,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 12:52:16,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 12:52:16,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 12:52:16,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 12:52:16,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 12:52:16,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 12:52:16,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 12:52:16,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 12:52:16,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 12:52:16,791 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 12:52:16,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 12:52:16,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 12:52:16,791 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 12:52:16,792 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 12:52:16,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 12:52:17,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 12:52:17,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 12:52:17,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 12:52:17,112 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 12:52:17,115 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 12:52:17,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl [2021-08-13 12:52:17,248 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl' [2021-08-13 12:52:17,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 12:52:17,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 12:52:17,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 12:52:17,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 12:52:17,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 12:52:17,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 12:52:17,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 12:52:17,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 12:52:17,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 12:52:17,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/1) ... [2021-08-13 12:52:17,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 12:52:17,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 12:52:17,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 12:52:17,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 12:52:17,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (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 [2021-08-13 12:52:17,387 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 12:52:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 12:52:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 12:52:17,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 12:52:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 12:52:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 12:52:17,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 12:52:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 12:52:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 12:52:17,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 12:52:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 12:52:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 12:52:17,390 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 12:52:17,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 12:52:17,580 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 12:52:17,581 INFO L202 PluginConnector]: Adding new model array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:52:17 BoogieIcfgContainer [2021-08-13 12:52:17,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 12:52:17,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 12:52:17,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 12:52:17,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 12:52:17,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 12:52:17" (1/2) ... [2021-08-13 12:52:17,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6546770c and model type array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:52:17, skipping insertion in model container [2021-08-13 12:52:17,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:52:17" (2/2) ... [2021-08-13 12:52:17,587 INFO L111 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.bpl [2021-08-13 12:52:17,606 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 12:52:17,606 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 12:52:17,607 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 12:52:17,640 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-13 12:52:17,659 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-13 12:52:17,676 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 12:52:17,676 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 12:52:17,676 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 12:52:17,677 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 12:52:17,677 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 12:52:17,677 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 12:52:17,677 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 12:52:17,677 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 12:52:17,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 35 transitions, 94 flow [2021-08-13 12:52:17,707 INFO L129 PetriNetUnfolder]: 6/32 cut-off events. [2021-08-13 12:52:17,708 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-13 12:52:17,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 32 events. 6/32 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 73 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 27. Up to 3 conditions per place. [2021-08-13 12:52:17,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 35 transitions, 94 flow [2021-08-13 12:52:17,714 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 30 transitions, 78 flow [2021-08-13 12:52:17,724 INFO L129 PetriNetUnfolder]: 6/29 cut-off events. [2021-08-13 12:52:17,724 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-13 12:52:17,724 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:17,725 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:17,725 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:17,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:17,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1331244538, now seen corresponding path program 1 times [2021-08-13 12:52:17,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:17,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964018806] [2021-08-13 12:52:17,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:17,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:17,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:17,957 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-08-13 12:52:17,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:52:18,005 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.1 percent of original size [2021-08-13 12:52:18,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 12:52:18,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:18,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:18,081 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:18,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964018806] [2021-08-13 12:52:18,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964018806] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:52:18,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:52:18,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 12:52:18,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446987868] [2021-08-13 12:52:18,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 12:52:18,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:18,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 12:52:18,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-13 12:52:18,109 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:52:18,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:18,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:18,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:52:18,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:18,421 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][27], [16#L26-2true, 38#true, 40#true, 42#true, 11#L73true, 43#true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,422 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,422 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,422 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,423 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,423 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][28], [16#L26-2true, 35#L56true, 38#true, 40#true, 42#true, 11#L73true, 43#true, 31#L41-2true]) [2021-08-13 12:52:18,423 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,424 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,424 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,424 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,434 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][27], [38#true, 7#thread1FINALtrue, 40#true, 42#true, 11#L73true, 43#true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,434 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,434 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,434 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,435 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,435 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][28], [35#L56true, 38#true, 7#thread1FINALtrue, 40#true, 42#true, 11#L73true, 43#true, 31#L41-2true]) [2021-08-13 12:52:18,435 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,435 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,435 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,435 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,445 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][27], [17#L26true, 38#true, 40#true, 42#true, 11#L73true, 43#true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,445 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,445 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,445 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,445 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,445 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][28], [17#L26true, 35#L56true, 38#true, 40#true, 42#true, 11#L73true, 43#true, 31#L41-2true]) [2021-08-13 12:52:18,446 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,446 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,446 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,446 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,450 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][27], [38#true, 40#true, 42#true, 26#L31true, 11#L73true, 43#true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,450 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,450 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,450 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,450 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,450 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][28], [35#L56true, 38#true, 40#true, 42#true, 26#L31true, 11#L73true, 43#true, 31#L41-2true]) [2021-08-13 12:52:18,450 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,451 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,451 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,451 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,456 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][27], [20#L27true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,456 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,456 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,456 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,456 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,457 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][28], [35#L56true, 20#L27true, 38#true, 40#true, 42#true, 11#L73true, 43#true, 31#L41-2true]) [2021-08-13 12:52:18,457 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,457 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,457 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,457 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,469 INFO L129 PetriNetUnfolder]: 751/1089 cut-off events. [2021-08-13 12:52:18,469 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-08-13 12:52:18,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2131 conditions, 1089 events. 751/1089 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4585 event pairs, 136 based on Foata normal form. 1/680 useless extension candidates. Maximal degree in co-relation 2108. Up to 674 conditions per place. [2021-08-13 12:52:18,481 INFO L132 encePairwiseOnDemand]: 28/35 looper letters, 36 selfloop transitions, 8 changer transitions 0/56 dead transitions. [2021-08-13 12:52:18,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 56 transitions, 218 flow [2021-08-13 12:52:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 12:52:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 12:52:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 109 transitions. [2021-08-13 12:52:18,491 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7785714285714286 [2021-08-13 12:52:18,491 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 109 transitions. [2021-08-13 12:52:18,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 109 transitions. [2021-08-13 12:52:18,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:18,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 109 transitions. [2021-08-13 12:52:18,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:18,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:18,499 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:18,500 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 3 predicate places. [2021-08-13 12:52:18,500 INFO L482 AbstractCegarLoop]: Abstraction has has 37 places, 56 transitions, 218 flow [2021-08-13 12:52:18,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:18,500 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:18,501 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:18,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 12:52:18,501 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:18,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:18,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1293007474, now seen corresponding path program 1 times [2021-08-13 12:52:18,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:18,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723563672] [2021-08-13 12:52:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:18,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:18,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:18,556 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-08-13 12:52:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:52:18,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-13 12:52:18,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:18,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:18,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:18,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:18,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723563672] [2021-08-13 12:52:18,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723563672] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:52:18,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:52:18,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 12:52:18,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195175295] [2021-08-13 12:52:18,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 12:52:18,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:18,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 12:52:18,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-13 12:52:18,584 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 35 [2021-08-13 12:52:18,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 56 transitions, 218 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 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) [2021-08-13 12:52:18,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:18,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 35 [2021-08-13 12:52:18,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:18,773 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][36], [16#L26-2true, 51#true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,773 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,774 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,774 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,774 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,774 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][37], [16#L26-2true, 35#L56true, 51#true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 31#L41-2true]) [2021-08-13 12:52:18,775 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,775 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,775 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,775 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,824 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][36], [16#L26-2true, 51#true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,825 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,825 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,825 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,825 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,825 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,825 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][37], [16#L26-2true, 35#L56true, 51#true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 31#L41-2true]) [2021-08-13 12:52:18,825 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,825 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,826 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,826 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,826 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,845 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][36], [16#L26-2true, 51#true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,845 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 12:52:18,845 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,845 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][37], [16#L26-2true, 35#L56true, 51#true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 31#L41-2true]) [2021-08-13 12:52:18,846 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,846 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 12:52:18,854 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][36], [17#L26true, 51#true, 38#true, 40#true, 42#true, 11#L73true, 43#true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,855 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,855 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,855 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,855 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,855 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][37], [17#L26true, 35#L56true, 51#true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 31#L41-2true]) [2021-08-13 12:52:18,855 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,855 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,855 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,855 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,856 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][36], [51#true, 38#true, 7#thread1FINALtrue, 40#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,856 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,856 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,856 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,856 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,856 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][37], [35#L56true, 51#true, 38#true, 7#thread1FINALtrue, 40#true, 42#true, 43#true, 11#L73true, 31#L41-2true]) [2021-08-13 12:52:18,856 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,856 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 12:52:18,857 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,857 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 12:52:18,876 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][36], [51#true, 38#true, 40#true, 26#L31true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,876 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,876 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,876 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,876 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,877 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][37], [35#L56true, 51#true, 38#true, 40#true, 26#L31true, 42#true, 43#true, 11#L73true, 31#L41-2true]) [2021-08-13 12:52:18,877 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,877 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,877 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,877 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,877 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][36], [51#true, 20#L27true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 31#L41-2true]) [2021-08-13 12:52:18,877 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,877 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,878 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,878 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,878 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][37], [35#L56true, 51#true, 20#L27true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 31#L41-2true]) [2021-08-13 12:52:18,878 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,878 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,878 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:18,878 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 12:52:18,895 INFO L129 PetriNetUnfolder]: 1659/2490 cut-off events. [2021-08-13 12:52:18,895 INFO L130 PetriNetUnfolder]: For 331/381 co-relation queries the response was YES. [2021-08-13 12:52:18,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6549 conditions, 2490 events. 1659/2490 cut-off events. For 331/381 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13075 event pairs, 187 based on Foata normal form. 17/1641 useless extension candidates. Maximal degree in co-relation 6511. Up to 1427 conditions per place. [2021-08-13 12:52:18,912 INFO L132 encePairwiseOnDemand]: 29/35 looper letters, 80 selfloop transitions, 8 changer transitions 23/130 dead transitions. [2021-08-13 12:52:18,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 130 transitions, 734 flow [2021-08-13 12:52:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 12:52:18,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 12:52:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2021-08-13 12:52:18,915 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7942857142857143 [2021-08-13 12:52:18,916 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 139 transitions. [2021-08-13 12:52:18,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 139 transitions. [2021-08-13 12:52:18,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:18,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 139 transitions. [2021-08-13 12:52:18,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.8) internal successors, (139), 5 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) [2021-08-13 12:52:18,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:18,918 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:18,919 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 7 predicate places. [2021-08-13 12:52:18,919 INFO L482 AbstractCegarLoop]: Abstraction has has 41 places, 130 transitions, 734 flow [2021-08-13 12:52:18,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 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) [2021-08-13 12:52:18,919 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:18,919 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:18,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 12:52:18,920 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:18,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:18,920 INFO L82 PathProgramCache]: Analyzing trace with hash 944929875, now seen corresponding path program 1 times [2021-08-13 12:52:18,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:18,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496422318] [2021-08-13 12:52:18,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:19,001 INFO L142 QuantifierPusher]: treesize reduction 28, result has 37.8 percent of original size [2021-08-13 12:52:19,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,034 INFO L142 QuantifierPusher]: treesize reduction 35, result has 53.3 percent of original size [2021-08-13 12:52:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 12:52:19,071 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.8 percent of original size [2021-08-13 12:52:19,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 12:52:19,104 INFO L142 QuantifierPusher]: treesize reduction 59, result has 49.1 percent of original size [2021-08-13 12:52:19,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 12:52:19,140 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-08-13 12:52:19,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:52:19,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:19,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:19,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496422318] [2021-08-13 12:52:19,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496422318] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:19,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912474158] [2021-08-13 12:52:19,155 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 [2021-08-13 12:52:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:19,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-13 12:52:19,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:19,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:19,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:19,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:52:19,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:19,365 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.9 percent of original size [2021-08-13 12:52:19,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 12:52:19,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:19,377 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-08-13 12:52:19,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:19,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 12:52:19,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:19,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:19,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:19,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912474158] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:19,390 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:19,390 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-08-13 12:52:19,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286720308] [2021-08-13 12:52:19,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 12:52:19,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:19,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 12:52:19,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-08-13 12:52:19,392 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:52:19,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 130 transitions, 734 flow. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 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) [2021-08-13 12:52:19,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:19,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:52:19,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:20,235 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][193], [16#L26-2true, 51#true, 36#L46true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:20,236 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,236 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:20,236 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,236 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,236 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][194], [16#L26-2true, 35#L56true, 51#true, 36#L46true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:20,236 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,236 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:20,236 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,236 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][193], [16#L26-2true, 51#true, 38#true, 40#true, 9#L42true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:20,237 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][194], [16#L26-2true, 35#L56true, 51#true, 38#true, 40#true, 9#L42true, 42#true, 43#true, 11#L73true, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:20,237 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:20,237 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:20,273 INFO L129 PetriNetUnfolder]: 3595/5552 cut-off events. [2021-08-13 12:52:20,273 INFO L130 PetriNetUnfolder]: For 1694/1899 co-relation queries the response was YES. [2021-08-13 12:52:20,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18732 conditions, 5552 events. 3595/5552 cut-off events. For 1694/1899 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 33983 event pairs, 185 based on Foata normal form. 79/3842 useless extension candidates. Maximal degree in co-relation 18666. Up to 3729 conditions per place. [2021-08-13 12:52:20,321 INFO L132 encePairwiseOnDemand]: 24/35 looper letters, 266 selfloop transitions, 109 changer transitions 125/514 dead transitions. [2021-08-13 12:52:20,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 514 transitions, 3980 flow [2021-08-13 12:52:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 12:52:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 12:52:20,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 339 transitions. [2021-08-13 12:52:20,324 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7450549450549451 [2021-08-13 12:52:20,324 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 339 transitions. [2021-08-13 12:52:20,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 339 transitions. [2021-08-13 12:52:20,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:20,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 339 transitions. [2021-08-13 12:52:20,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 26.076923076923077) internal successors, (339), 13 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:20,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 35.0) internal successors, (490), 14 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:20,328 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 35.0) internal successors, (490), 14 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:20,328 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 19 predicate places. [2021-08-13 12:52:20,328 INFO L482 AbstractCegarLoop]: Abstraction has has 53 places, 514 transitions, 3980 flow [2021-08-13 12:52:20,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 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) [2021-08-13 12:52:20,329 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:20,329 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:20,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-08-13 12:52:20,545 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:20,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:20,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1137940202, now seen corresponding path program 1 times [2021-08-13 12:52:20,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:20,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721365349] [2021-08-13 12:52:20,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:20,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 12:52:20,601 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-13 12:52:20,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:20,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:20,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721365349] [2021-08-13 12:52:20,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721365349] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:20,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884035201] [2021-08-13 12:52:20,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:20,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-13 12:52:20,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:20,650 INFO L142 QuantifierPusher]: treesize reduction 7, result has 53.3 percent of original size [2021-08-13 12:52:20,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 12:52:20,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:20,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:20,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:20,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:20,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 12:52:20,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 12:52:20,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 12:52:20,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 12:52:20,683 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-08-13 12:52:20,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:20,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:20,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:20,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:20,787 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-08-13 12:52:20,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:52:20,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:20,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:52:20,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 12:52:20,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:20,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:20,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:20,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884035201] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:20,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:20,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-08-13 12:52:20,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493007264] [2021-08-13 12:52:20,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 12:52:20,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:20,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 12:52:20,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 12:52:20,806 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 35 [2021-08-13 12:52:20,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 514 transitions, 3980 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 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) [2021-08-13 12:52:20,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:20,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 35 [2021-08-13 12:52:20,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:21,483 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][504], [144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 16#L26-2true, 51#true, 38#true, 40#true, 9#L42true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:21,484 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,484 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,484 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:21,484 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,484 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][505], [144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 16#L26-2true, 35#L56true, 51#true, 38#true, 40#true, 9#L42true, 42#true, 11#L73true, 43#true, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:21,484 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,484 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,484 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:21,484 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,485 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][504], [144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 16#L26-2true, 51#true, 36#L46true, 38#true, 40#true, 42#true, 11#L73true, 43#true, 29#thread3FINALtrue, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:21,485 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,485 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,485 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,485 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:21,485 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][505], [144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 16#L26-2true, 35#L56true, 51#true, 36#L46true, 38#true, 40#true, 42#true, 43#true, 11#L73true, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:21,485 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,485 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,486 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:21,486 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:21,550 INFO L129 PetriNetUnfolder]: 4484/7008 cut-off events. [2021-08-13 12:52:21,550 INFO L130 PetriNetUnfolder]: For 3483/3777 co-relation queries the response was YES. [2021-08-13 12:52:21,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28433 conditions, 7008 events. 4484/7008 cut-off events. For 3483/3777 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 44778 event pairs, 183 based on Foata normal form. 135/4919 useless extension candidates. Maximal degree in co-relation 28339. Up to 4781 conditions per place. [2021-08-13 12:52:21,621 INFO L132 encePairwiseOnDemand]: 28/35 looper letters, 376 selfloop transitions, 46 changer transitions 223/718 dead transitions. [2021-08-13 12:52:21,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 718 transitions, 6838 flow [2021-08-13 12:52:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-13 12:52:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-13 12:52:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 165 transitions. [2021-08-13 12:52:21,623 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2021-08-13 12:52:21,623 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 165 transitions. [2021-08-13 12:52:21,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 165 transitions. [2021-08-13 12:52:21,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:21,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 165 transitions. [2021-08-13 12:52:21,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:21,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:21,625 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:21,625 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 24 predicate places. [2021-08-13 12:52:21,625 INFO L482 AbstractCegarLoop]: Abstraction has has 58 places, 718 transitions, 6838 flow [2021-08-13 12:52:21,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 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) [2021-08-13 12:52:21,626 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:21,626 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:21,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:21,841 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:21,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:21,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1322877048, now seen corresponding path program 2 times [2021-08-13 12:52:21,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:21,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598140303] [2021-08-13 12:52:21,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:21,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:21,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:21,889 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-08-13 12:52:21,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:52:21,897 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-13 12:52:21,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:21,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:21,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:21,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:21,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598140303] [2021-08-13 12:52:21,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598140303] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:52:21,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:52:21,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 12:52:21,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777484441] [2021-08-13 12:52:21,951 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 12:52:21,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:21,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 12:52:21,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-13 12:52:21,952 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 35 [2021-08-13 12:52:21,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 718 transitions, 6838 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 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) [2021-08-13 12:52:21,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:21,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 35 [2021-08-13 12:52:21,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:22,727 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][518], [16#L26-2true, 144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 51#true, 38#true, 40#true, 9#L42true, 202#true, 42#true, 43#true, 11#L73true, 29#thread3FINALtrue, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:22,727 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,728 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:22,728 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,728 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,728 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][519], [16#L26-2true, 144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 35#L56true, 51#true, 38#true, 40#true, 9#L42true, 202#true, 42#true, 43#true, 11#L73true, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:22,728 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,728 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:22,728 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,728 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([100] L56-2-->thread3FINAL: Formula: (or v_break_AC_3 (not (< v_i_AC_3 v_Cn_4)) (not (< v_i_AC_3 v_An_4))) InVars {i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} OutVars{i_AC=v_i_AC_3, break_AC=v_break_AC_3, An=v_An_4, Cn=v_Cn_4} AuxVars[] AssignedVars[][518], [144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 16#L26-2true, 51#true, 36#L46true, 38#true, 40#true, 202#true, 42#true, 11#L73true, 43#true, 29#thread3FINALtrue, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:22,729 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] L56-2-->L56: Formula: (and (< v_i_AC_4 v_An_5) (< v_i_AC_4 v_Cn_5) (not v_break_AC_4)) InVars {i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} OutVars{i_AC=v_i_AC_4, break_AC=v_break_AC_4, An=v_An_5, Cn=v_Cn_5} AuxVars[] AssignedVars[][519], [16#L26-2true, 144#(and (<= (+ i_BC 1) Bn) (not break_BC)), 35#L56true, 51#true, 36#L46true, 38#true, 40#true, 202#true, 42#true, 43#true, 11#L73true, 94#(and (<= (select B i_AB) (select C i_AB)) (< i_AB Cn) (= i_AB 0) (= i_AC i_AB))]) [2021-08-13 12:52:22,729 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 12:52:22,729 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 12:52:22,811 INFO L129 PetriNetUnfolder]: 4581/7241 cut-off events. [2021-08-13 12:52:22,812 INFO L130 PetriNetUnfolder]: For 5749/6131 co-relation queries the response was YES. [2021-08-13 12:52:22,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34210 conditions, 7241 events. 4581/7241 cut-off events. For 5749/6131 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 47682 event pairs, 148 based on Foata normal form. 133/5096 useless extension candidates. Maximal degree in co-relation 34111. Up to 4855 conditions per place. [2021-08-13 12:52:22,868 INFO L132 encePairwiseOnDemand]: 29/35 looper letters, 365 selfloop transitions, 15 changer transitions 318/768 dead transitions. [2021-08-13 12:52:22,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 768 transitions, 8674 flow [2021-08-13 12:52:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 12:52:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 12:52:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2021-08-13 12:52:22,870 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7942857142857143 [2021-08-13 12:52:22,870 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 139 transitions. [2021-08-13 12:52:22,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 139 transitions. [2021-08-13 12:52:22,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:22,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 139 transitions. [2021-08-13 12:52:22,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.8) internal successors, (139), 5 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) [2021-08-13 12:52:22,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:22,871 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:22,871 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 28 predicate places. [2021-08-13 12:52:22,871 INFO L482 AbstractCegarLoop]: Abstraction has has 62 places, 768 transitions, 8674 flow [2021-08-13 12:52:22,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 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) [2021-08-13 12:52:22,871 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:22,871 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:22,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 12:52:22,872 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:22,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:22,879 INFO L82 PathProgramCache]: Analyzing trace with hash -61630384, now seen corresponding path program 2 times [2021-08-13 12:52:22,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:22,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589793830] [2021-08-13 12:52:22,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:22,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:22,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 12:52:22,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:22,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 12:52:22,977 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-13 12:52:22,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:22,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:22,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:22,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:22,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589793830] [2021-08-13 12:52:22,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589793830] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:22,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872291100] [2021-08-13 12:52:22,986 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 [2021-08-13 12:52:23,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 12:52:23,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 12:52:23,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-13 12:52:23,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:23,025 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-08-13 12:52:23,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:23,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:23,084 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-08-13 12:52:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:52:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:23,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:23,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:23,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 12:52:23,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:23,184 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-08-13 12:52:23,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:52:23,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:23,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:52:23,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 12:52:23,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:23,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:23,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:23,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872291100] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:23,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:23,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-08-13 12:52:23,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454698543] [2021-08-13 12:52:23,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 12:52:23,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:23,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 12:52:23,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-13 12:52:23,209 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 35 [2021-08-13 12:52:23,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 768 transitions, 8674 flow. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:23,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:23,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 35 [2021-08-13 12:52:23,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:24,887 INFO L129 PetriNetUnfolder]: 6306/10281 cut-off events. [2021-08-13 12:52:24,887 INFO L130 PetriNetUnfolder]: For 10242/10804 co-relation queries the response was YES. [2021-08-13 12:52:24,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56068 conditions, 10281 events. 6306/10281 cut-off events. For 10242/10804 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 73839 event pairs, 130 based on Foata normal form. 120/7324 useless extension candidates. Maximal degree in co-relation 55944. Up to 6904 conditions per place. [2021-08-13 12:52:24,966 INFO L132 encePairwiseOnDemand]: 24/35 looper letters, 510 selfloop transitions, 126 changer transitions 780/1430 dead transitions. [2021-08-13 12:52:24,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 1430 transitions, 18598 flow [2021-08-13 12:52:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-13 12:52:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-13 12:52:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 408 transitions. [2021-08-13 12:52:24,969 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7285714285714285 [2021-08-13 12:52:24,969 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 408 transitions. [2021-08-13 12:52:24,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 408 transitions. [2021-08-13 12:52:24,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:24,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 408 transitions. [2021-08-13 12:52:24,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 25.5) internal successors, (408), 16 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:24,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 35.0) internal successors, (595), 17 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:24,972 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 35.0) internal successors, (595), 17 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:24,972 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 43 predicate places. [2021-08-13 12:52:24,972 INFO L482 AbstractCegarLoop]: Abstraction has has 77 places, 1430 transitions, 18598 flow [2021-08-13 12:52:24,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:24,972 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:24,972 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:25,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:25,193 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:25,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:25,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1413082813, now seen corresponding path program 1 times [2021-08-13 12:52:25,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:25,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816126647] [2021-08-13 12:52:25,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:25,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:25,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:25,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:25,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816126647] [2021-08-13 12:52:25,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816126647] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:52:25,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:52:25,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 12:52:25,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615356865] [2021-08-13 12:52:25,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 12:52:25,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:25,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 12:52:25,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 12:52:25,266 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:52:25,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 1430 transitions, 18598 flow. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:25,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:25,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:52:25,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:27,469 INFO L129 PetriNetUnfolder]: 9222/14991 cut-off events. [2021-08-13 12:52:27,470 INFO L130 PetriNetUnfolder]: For 16426/16900 co-relation queries the response was YES. [2021-08-13 12:52:27,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93018 conditions, 14991 events. 9222/14991 cut-off events. For 16426/16900 co-relation queries the response was YES. Maximal size of possible extension queue 923. Compared 111407 event pairs, 53 based on Foata normal form. 58/10742 useless extension candidates. Maximal degree in co-relation 92855. Up to 10011 conditions per place. [2021-08-13 12:52:27,685 INFO L132 encePairwiseOnDemand]: 28/35 looper letters, 1029 selfloop transitions, 167 changer transitions 1112/2334 dead transitions. [2021-08-13 12:52:27,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 2334 transitions, 35004 flow [2021-08-13 12:52:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-13 12:52:27,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-13 12:52:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 163 transitions. [2021-08-13 12:52:27,687 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7761904761904762 [2021-08-13 12:52:27,687 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 163 transitions. [2021-08-13 12:52:27,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 163 transitions. [2021-08-13 12:52:27,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:27,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 163 transitions. [2021-08-13 12:52:27,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:27,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:27,690 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:27,690 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 48 predicate places. [2021-08-13 12:52:27,690 INFO L482 AbstractCegarLoop]: Abstraction has has 82 places, 2334 transitions, 35004 flow [2021-08-13 12:52:27,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:27,690 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:27,690 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:27,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 12:52:27,691 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:27,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:27,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1937130361, now seen corresponding path program 2 times [2021-08-13 12:52:27,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:27,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597954462] [2021-08-13 12:52:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:27,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:27,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:27,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:27,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597954462] [2021-08-13 12:52:27,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597954462] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:27,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102355894] [2021-08-13 12:52:27,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:27,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 12:52:27,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 12:52:27,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-13 12:52:27,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:27,796 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-08-13 12:52:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:27,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:27,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:27,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:27,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:27,842 INFO L142 QuantifierPusher]: treesize reduction 7, result has 66.7 percent of original size [2021-08-13 12:52:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:27,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:27,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:27,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:52:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:27,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:27,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:27,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102355894] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:27,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:27,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-13 12:52:27,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134193099] [2021-08-13 12:52:27,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 12:52:27,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:27,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 12:52:27,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-13 12:52:27,894 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:52:27,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 2334 transitions, 35004 flow. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:27,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:27,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:52:27,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:31,358 INFO L129 PetriNetUnfolder]: 9232/15152 cut-off events. [2021-08-13 12:52:31,358 INFO L130 PetriNetUnfolder]: For 19284/19876 co-relation queries the response was YES. [2021-08-13 12:52:31,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105733 conditions, 15152 events. 9232/15152 cut-off events. For 19284/19876 co-relation queries the response was YES. Maximal size of possible extension queue 948. Compared 114567 event pairs, 30 based on Foata normal form. 58/10903 useless extension candidates. Maximal degree in co-relation 105537. Up to 10050 conditions per place. [2021-08-13 12:52:31,455 INFO L132 encePairwiseOnDemand]: 27/35 looper letters, 1083 selfloop transitions, 144 changer transitions 1161/2414 dead transitions. [2021-08-13 12:52:31,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 2414 transitions, 41014 flow [2021-08-13 12:52:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 12:52:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 12:52:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 193 transitions. [2021-08-13 12:52:31,456 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7877551020408163 [2021-08-13 12:52:31,456 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 193 transitions. [2021-08-13 12:52:31,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 193 transitions. [2021-08-13 12:52:31,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:31,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 193 transitions. [2021-08-13 12:52:31,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:31,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 35.0) internal successors, (280), 8 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:31,458 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 35.0) internal successors, (280), 8 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:31,458 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 54 predicate places. [2021-08-13 12:52:31,458 INFO L482 AbstractCegarLoop]: Abstraction has has 88 places, 2414 transitions, 41014 flow [2021-08-13 12:52:31,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:31,458 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:31,458 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:31,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:31,674 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:31,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:31,675 INFO L82 PathProgramCache]: Analyzing trace with hash 715474369, now seen corresponding path program 1 times [2021-08-13 12:52:31,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:31,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469528668] [2021-08-13 12:52:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:31,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:31,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:31,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:31,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:31,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:31,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469528668] [2021-08-13 12:52:31,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469528668] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:31,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050733031] [2021-08-13 12:52:31,719 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 [2021-08-13 12:52:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:31,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-13 12:52:31,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:31,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:31,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:52:31,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:52:31,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:52:31,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:52:31,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:31,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 12:52:31,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:31,885 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.1 percent of original size [2021-08-13 12:52:31,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 12:52:31,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:31,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:31,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:31,891 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-08-13 12:52:31,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 12:52:31,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:52:31,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:31,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:31,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:31,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050733031] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:31,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:31,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-08-13 12:52:31,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515910119] [2021-08-13 12:52:31,899 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-13 12:52:31,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:31,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-13 12:52:31,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-13 12:52:31,899 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:52:31,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 2414 transitions, 41014 flow. Second operand has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:31,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:31,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:52:31,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:36,835 INFO L129 PetriNetUnfolder]: 11344/18624 cut-off events. [2021-08-13 12:52:36,835 INFO L130 PetriNetUnfolder]: For 26050/26730 co-relation queries the response was YES. [2021-08-13 12:52:36,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143960 conditions, 18624 events. 11344/18624 cut-off events. For 26050/26730 co-relation queries the response was YES. Maximal size of possible extension queue 1136. Compared 143531 event pairs, 66 based on Foata normal form. 58/13681 useless extension candidates. Maximal degree in co-relation 143744. Up to 12180 conditions per place. [2021-08-13 12:52:36,960 INFO L132 encePairwiseOnDemand]: 22/35 looper letters, 1195 selfloop transitions, 408 changer transitions 1356/2985 dead transitions. [2021-08-13 12:52:36,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 2985 transitions, 56580 flow [2021-08-13 12:52:36,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 12:52:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 12:52:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 596 transitions. [2021-08-13 12:52:36,963 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7740259740259741 [2021-08-13 12:52:36,963 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 596 transitions. [2021-08-13 12:52:36,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 596 transitions. [2021-08-13 12:52:36,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:36,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 596 transitions. [2021-08-13 12:52:36,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 27.09090909090909) internal successors, (596), 22 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:36,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 35.0) internal successors, (805), 23 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:36,967 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 35.0) internal successors, (805), 23 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:36,967 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 75 predicate places. [2021-08-13 12:52:36,967 INFO L482 AbstractCegarLoop]: Abstraction has has 109 places, 2985 transitions, 56580 flow [2021-08-13 12:52:36,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:36,967 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:36,967 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:37,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:37,177 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:37,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:37,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1374461591, now seen corresponding path program 3 times [2021-08-13 12:52:37,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:37,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389322019] [2021-08-13 12:52:37,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:37,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:37,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:37,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:37,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389322019] [2021-08-13 12:52:37,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389322019] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:37,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61467200] [2021-08-13 12:52:37,220 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 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 [2021-08-13 12:52:37,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-13 12:52:37,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 12:52:37,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-13 12:52:37,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:37,251 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-08-13 12:52:37,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:37,317 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-08-13 12:52:37,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:52:37,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:37,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:52:37,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:52:37,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,325 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 12:52:37,328 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:37,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,332 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-08-13 12:52:37,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 12:52:37,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:37,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:37,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:37,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:37,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,349 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-08-13 12:52:37,349 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-08-13 12:52:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:37,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:37,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61467200] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:37,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:37,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-08-13 12:52:37,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352642800] [2021-08-13 12:52:37,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 12:52:37,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:37,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 12:52:37,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-13 12:52:37,371 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:52:37,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 2985 transitions, 56580 flow. Second operand has 8 states, 8 states have (on average 18.25) internal successors, (146), 8 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:37,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:37,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:52:37,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:42,779 INFO L129 PetriNetUnfolder]: 11219/18359 cut-off events. [2021-08-13 12:52:42,779 INFO L130 PetriNetUnfolder]: For 27442/27776 co-relation queries the response was YES. [2021-08-13 12:52:42,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156508 conditions, 18359 events. 11219/18359 cut-off events. For 27442/27776 co-relation queries the response was YES. Maximal size of possible extension queue 1100. Compared 140363 event pairs, 58 based on Foata normal form. 42/13481 useless extension candidates. Maximal degree in co-relation 156300. Up to 11983 conditions per place. [2021-08-13 12:52:42,883 INFO L132 encePairwiseOnDemand]: 27/35 looper letters, 1467 selfloop transitions, 149 changer transitions 1391/3033 dead transitions. [2021-08-13 12:52:42,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 3033 transitions, 63472 flow [2021-08-13 12:52:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-13 12:52:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-13 12:52:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 214 transitions. [2021-08-13 12:52:42,885 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7642857142857142 [2021-08-13 12:52:42,885 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 214 transitions. [2021-08-13 12:52:42,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 214 transitions. [2021-08-13 12:52:42,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:42,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 214 transitions. [2021-08-13 12:52:42,886 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) [2021-08-13 12:52:42,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 35.0) internal successors, (315), 9 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:42,886 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 35.0) internal successors, (315), 9 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:42,887 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 82 predicate places. [2021-08-13 12:52:42,887 INFO L482 AbstractCegarLoop]: Abstraction has has 116 places, 3033 transitions, 63472 flow [2021-08-13 12:52:42,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 18.25) internal successors, (146), 8 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:42,887 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:42,887 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:43,087 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:43,088 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:43,089 INFO L82 PathProgramCache]: Analyzing trace with hash 306648897, now seen corresponding path program 4 times [2021-08-13 12:52:43,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:43,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886901074] [2021-08-13 12:52:43,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:43,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:43,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:52:43,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:43,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:43,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:43,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:43,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:43,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:43,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886901074] [2021-08-13 12:52:43,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886901074] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:52:43,135 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:52:43,135 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 12:52:43,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633005893] [2021-08-13 12:52:43,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 12:52:43,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:43,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 12:52:43,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-13 12:52:43,136 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:52:43,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 3033 transitions, 63472 flow. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:43,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:43,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:52:43,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:48,640 INFO L129 PetriNetUnfolder]: 10930/17892 cut-off events. [2021-08-13 12:52:48,640 INFO L130 PetriNetUnfolder]: For 33180/34011 co-relation queries the response was YES. [2021-08-13 12:52:48,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166306 conditions, 17892 events. 10930/17892 cut-off events. For 33180/34011 co-relation queries the response was YES. Maximal size of possible extension queue 1062. Compared 136391 event pairs, 58 based on Foata normal form. 35/13143 useless extension candidates. Maximal degree in co-relation 166117. Up to 11570 conditions per place. [2021-08-13 12:52:48,748 INFO L132 encePairwiseOnDemand]: 29/35 looper letters, 1524 selfloop transitions, 42 changer transitions 1418/3010 dead transitions. [2021-08-13 12:52:48,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 3010 transitions, 68948 flow [2021-08-13 12:52:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 12:52:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 12:52:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-08-13 12:52:48,749 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7485714285714286 [2021-08-13 12:52:48,749 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-08-13 12:52:48,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-08-13 12:52:48,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:48,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-08-13 12:52:48,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:48,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:48,750 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:48,751 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 86 predicate places. [2021-08-13 12:52:48,751 INFO L482 AbstractCegarLoop]: Abstraction has has 120 places, 3010 transitions, 68948 flow [2021-08-13 12:52:48,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:48,751 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:48,751 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:48,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 12:52:48,751 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:48,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:48,751 INFO L82 PathProgramCache]: Analyzing trace with hash 775157291, now seen corresponding path program 1 times [2021-08-13 12:52:48,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:48,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887026674] [2021-08-13 12:52:48,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:48,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:48,812 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-08-13 12:52:48,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 12:52:48,824 INFO L142 QuantifierPusher]: treesize reduction 20, result has 64.3 percent of original size [2021-08-13 12:52:48,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:48,846 INFO L142 QuantifierPusher]: treesize reduction 40, result has 47.4 percent of original size [2021-08-13 12:52:48,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:48,852 INFO L142 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-08-13 12:52:48,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 12:52:48,874 INFO L142 QuantifierPusher]: treesize reduction 32, result has 47.5 percent of original size [2021-08-13 12:52:48,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 12:52:48,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:48,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:48,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887026674] [2021-08-13 12:52:48,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887026674] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:48,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112054341] [2021-08-13 12:52:48,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:48,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-13 12:52:48,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:48,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:48,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:48,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:48,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:48,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:48,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:48,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:48,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:52:48,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:48,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:48,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:48,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:48,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:48,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:48,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:48,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:48,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:49,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:49,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:49,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:49,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 12:52:49,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:52:49,073 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size [2021-08-13 12:52:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 12:52:49,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:49,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:49,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 12:52:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-08-13 12:52:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:49,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112054341] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:49,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:49,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 12:52:49,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422580684] [2021-08-13 12:52:49,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 12:52:49,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:49,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 12:52:49,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-08-13 12:52:49,090 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2021-08-13 12:52:49,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 3010 transitions, 68948 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:49,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:49,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2021-08-13 12:52:49,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:52:57,976 INFO L129 PetriNetUnfolder]: 17719/28109 cut-off events. [2021-08-13 12:52:57,976 INFO L130 PetriNetUnfolder]: For 65677/66269 co-relation queries the response was YES. [2021-08-13 12:52:58,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287152 conditions, 28109 events. 17719/28109 cut-off events. For 65677/66269 co-relation queries the response was YES. Maximal size of possible extension queue 1557. Compared 214775 event pairs, 178 based on Foata normal form. 30/20787 useless extension candidates. Maximal degree in co-relation 286926. Up to 19985 conditions per place. [2021-08-13 12:52:58,165 INFO L132 encePairwiseOnDemand]: 23/35 looper letters, 2293 selfloop transitions, 658 changer transitions 1850/4847 dead transitions. [2021-08-13 12:52:58,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 4847 transitions, 120594 flow [2021-08-13 12:52:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 12:52:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 12:52:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 352 transitions. [2021-08-13 12:52:58,166 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2021-08-13 12:52:58,166 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 352 transitions. [2021-08-13 12:52:58,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 352 transitions. [2021-08-13 12:52:58,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:52:58,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 352 transitions. [2021-08-13 12:52:58,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 29.333333333333332) internal successors, (352), 12 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:58,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 35.0) internal successors, (455), 13 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:58,169 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 35.0) internal successors, (455), 13 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:58,169 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 97 predicate places. [2021-08-13 12:52:58,169 INFO L482 AbstractCegarLoop]: Abstraction has has 131 places, 4847 transitions, 120594 flow [2021-08-13 12:52:58,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:58,169 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:52:58,169 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:52:58,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:58,376 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:52:58,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:52:58,377 INFO L82 PathProgramCache]: Analyzing trace with hash -63598345, now seen corresponding path program 1 times [2021-08-13 12:52:58,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:52:58,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469505304] [2021-08-13 12:52:58,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:52:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:58,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:52:58,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:58,442 INFO L142 QuantifierPusher]: treesize reduction 41, result has 22.6 percent of original size [2021-08-13 12:52:58,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:52:58,443 INFO L142 QuantifierPusher]: treesize reduction 41, result has 29.3 percent of original size [2021-08-13 12:52:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:52:58,454 INFO L142 QuantifierPusher]: treesize reduction 44, result has 61.4 percent of original size [2021-08-13 12:52:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-08-13 12:52:58,493 INFO L142 QuantifierPusher]: treesize reduction 44, result has 67.6 percent of original size [2021-08-13 12:52:58,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-08-13 12:52:58,532 INFO L142 QuantifierPusher]: treesize reduction 34, result has 53.4 percent of original size [2021-08-13 12:52:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:52:58,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:58,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:52:58,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469505304] [2021-08-13 12:52:58,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469505304] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:58,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365285011] [2021-08-13 12:52:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:52:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:52:58,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 12:52:58,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:52:58,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:52:58,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:58,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:58,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:58,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:52:58,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:52:58,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:52:58,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:52:58,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:52:58,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:58,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:58,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:58,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 12:52:58,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 12:52:58,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 12:52:58,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:52:58,754 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-08-13 12:52:58,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-08-13 12:52:58,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:58,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 12:52:58,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:58,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:58,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:58,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:58,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:52:58,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:52:58,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 12:52:58,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:58,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:52:58,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:52:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:52:58,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365285011] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:52:58,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:52:58,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-08-13 12:52:58,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822904973] [2021-08-13 12:52:58,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-08-13 12:52:58,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:52:58,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-13 12:52:58,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-08-13 12:52:58,771 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2021-08-13 12:52:58,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 4847 transitions, 120594 flow. Second operand has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:52:58,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:52:58,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2021-08-13 12:52:58,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:53:16,692 INFO L129 PetriNetUnfolder]: 20078/32283 cut-off events. [2021-08-13 12:53:16,693 INFO L130 PetriNetUnfolder]: For 103349/104143 co-relation queries the response was YES. [2021-08-13 12:53:16,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 349965 conditions, 32283 events. 20078/32283 cut-off events. For 103349/104143 co-relation queries the response was YES. Maximal size of possible extension queue 1902. Compared 258343 event pairs, 262 based on Foata normal form. 49/24145 useless extension candidates. Maximal degree in co-relation 349705. Up to 22700 conditions per place. [2021-08-13 12:53:16,898 INFO L132 encePairwiseOnDemand]: 21/35 looper letters, 2586 selfloop transitions, 493 changer transitions 2818/5943 dead transitions. [2021-08-13 12:53:16,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 5943 transitions, 159176 flow [2021-08-13 12:53:16,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 12:53:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 12:53:16,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 292 transitions. [2021-08-13 12:53:16,899 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8342857142857143 [2021-08-13 12:53:16,900 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 292 transitions. [2021-08-13 12:53:16,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 292 transitions. [2021-08-13 12:53:16,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:53:16,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 292 transitions. [2021-08-13 12:53:16,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 29.2) internal successors, (292), 10 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:16,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 35.0) internal successors, (385), 11 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:16,901 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 35.0) internal successors, (385), 11 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:16,902 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 106 predicate places. [2021-08-13 12:53:16,902 INFO L482 AbstractCegarLoop]: Abstraction has has 140 places, 5943 transitions, 159176 flow [2021-08-13 12:53:16,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:16,902 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:53:16,902 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:53:17,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-13 12:53:17,107 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:53:17,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:53:17,107 INFO L82 PathProgramCache]: Analyzing trace with hash 889318897, now seen corresponding path program 1 times [2021-08-13 12:53:17,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:53:17,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030480073] [2021-08-13 12:53:17,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:53:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:53:17,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:53:17,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:17,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:53:17,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:17,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 12:53:17,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:53:17,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:53:17,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:17,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:53:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:53:17,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:53:17,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030480073] [2021-08-13 12:53:17,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030480073] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:53:17,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:53:17,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 12:53:17,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248877314] [2021-08-13 12:53:17,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 12:53:17,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:53:17,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 12:53:17,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 12:53:17,178 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2021-08-13 12:53:17,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 5943 transitions, 159176 flow. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:17,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:53:17,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2021-08-13 12:53:17,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:53:39,083 INFO L129 PetriNetUnfolder]: 18997/30553 cut-off events. [2021-08-13 12:53:39,083 INFO L130 PetriNetUnfolder]: For 106555/107692 co-relation queries the response was YES. [2021-08-13 12:53:39,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353566 conditions, 30553 events. 18997/30553 cut-off events. For 106555/107692 co-relation queries the response was YES. Maximal size of possible extension queue 1731. Compared 242633 event pairs, 290 based on Foata normal form. 33/22921 useless extension candidates. Maximal degree in co-relation 353302. Up to 21543 conditions per place. [2021-08-13 12:53:39,305 INFO L132 encePairwiseOnDemand]: 26/35 looper letters, 2650 selfloop transitions, 374 changer transitions 2739/5809 dead transitions. [2021-08-13 12:53:39,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 5809 transitions, 167990 flow [2021-08-13 12:53:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-13 12:53:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-13 12:53:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 176 transitions. [2021-08-13 12:53:39,306 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2021-08-13 12:53:39,306 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 176 transitions. [2021-08-13 12:53:39,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 176 transitions. [2021-08-13 12:53:39,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:53:39,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 176 transitions. [2021-08-13 12:53:39,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 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) [2021-08-13 12:53:39,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:39,307 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:39,307 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 111 predicate places. [2021-08-13 12:53:39,307 INFO L482 AbstractCegarLoop]: Abstraction has has 145 places, 5809 transitions, 167990 flow [2021-08-13 12:53:39,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:39,307 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:53:39,307 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:53:39,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 12:53:39,308 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:53:39,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:53:39,308 INFO L82 PathProgramCache]: Analyzing trace with hash 649439467, now seen corresponding path program 2 times [2021-08-13 12:53:39,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:53:39,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070889798] [2021-08-13 12:53:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:53:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:53:39,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:39,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:53:39,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:39,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:53:39,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:39,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 12:53:39,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:39,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:53:39,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:39,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:53:39,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:53:39,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:53:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:53:39,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:53:39,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070889798] [2021-08-13 12:53:39,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070889798] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:53:39,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:53:39,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 12:53:39,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241505922] [2021-08-13 12:53:39,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 12:53:39,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:53:39,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 12:53:39,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-13 12:53:39,383 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2021-08-13 12:53:39,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 5809 transitions, 167990 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:53:39,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:53:39,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2021-08-13 12:53:39,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:54:04,016 INFO L129 PetriNetUnfolder]: 19993/32128 cut-off events. [2021-08-13 12:54:04,016 INFO L130 PetriNetUnfolder]: For 140634/142063 co-relation queries the response was YES. [2021-08-13 12:54:04,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 396084 conditions, 32128 events. 19993/32128 cut-off events. For 140634/142063 co-relation queries the response was YES. Maximal size of possible extension queue 1827. Compared 256716 event pairs, 292 based on Foata normal form. 31/24135 useless extension candidates. Maximal degree in co-relation 395808. Up to 22777 conditions per place. [2021-08-13 12:54:04,252 INFO L132 encePairwiseOnDemand]: 27/35 looper letters, 2784 selfloop transitions, 406 changer transitions 2813/6049 dead transitions. [2021-08-13 12:54:04,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 6049 transitions, 187082 flow [2021-08-13 12:54:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 12:54:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 12:54:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 205 transitions. [2021-08-13 12:54:04,253 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8367346938775511 [2021-08-13 12:54:04,253 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 205 transitions. [2021-08-13 12:54:04,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 205 transitions. [2021-08-13 12:54:04,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:54:04,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 205 transitions. [2021-08-13 12:54:04,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:04,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 35.0) internal successors, (280), 8 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:04,255 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 35.0) internal successors, (280), 8 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:04,255 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 117 predicate places. [2021-08-13 12:54:04,255 INFO L482 AbstractCegarLoop]: Abstraction has has 151 places, 6049 transitions, 187082 flow [2021-08-13 12:54:04,255 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:04,255 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:54:04,255 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:54:04,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 12:54:04,255 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:54:04,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:54:04,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1147577647, now seen corresponding path program 1 times [2021-08-13 12:54:04,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:54:04,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600747931] [2021-08-13 12:54:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:54:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:54:04,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:54:04,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 12:54:04,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:54:04,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:54:04,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:54:04,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:54:04,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600747931] [2021-08-13 12:54:04,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600747931] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:54:04,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261753229] [2021-08-13 12:54:04,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-08-13 12:54:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:54:04,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-13 12:54:04,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:54:04,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:04,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:54:04,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:04,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:54:04,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:54:04,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:54:04,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:54:04,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:54:04,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:54:04,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:54:04,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-13 12:54:04,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:54:04,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:54:04,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 12:54:04,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 12:54:04,415 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:11 [2021-08-13 12:54:04,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:04,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 12:54:04,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:54:04,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261753229] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:54:04,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:54:04,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-08-13 12:54:04,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299561461] [2021-08-13 12:54:04,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-13 12:54:04,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:54:04,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-13 12:54:04,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-08-13 12:54:04,454 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2021-08-13 12:54:04,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 6049 transitions, 187082 flow. Second operand has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:04,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:54:04,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2021-08-13 12:54:04,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:54:31,897 INFO L129 PetriNetUnfolder]: 20399/32734 cut-off events. [2021-08-13 12:54:31,897 INFO L130 PetriNetUnfolder]: For 153648/154604 co-relation queries the response was YES. [2021-08-13 12:54:31,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 429049 conditions, 32734 events. 20399/32734 cut-off events. For 153648/154604 co-relation queries the response was YES. Maximal size of possible extension queue 1861. Compared 261641 event pairs, 341 based on Foata normal form. 113/24714 useless extension candidates. Maximal degree in co-relation 428749. Up to 23346 conditions per place. [2021-08-13 12:54:32,147 INFO L132 encePairwiseOnDemand]: 25/35 looper letters, 3177 selfloop transitions, 631 changer transitions 3197/7051 dead transitions. [2021-08-13 12:54:32,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 7051 transitions, 232842 flow [2021-08-13 12:54:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 12:54:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 12:54:32,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 264 transitions. [2021-08-13 12:54:32,148 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2021-08-13 12:54:32,148 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 264 transitions. [2021-08-13 12:54:32,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 264 transitions. [2021-08-13 12:54:32,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:54:32,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 264 transitions. [2021-08-13 12:54:32,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 29.333333333333332) internal successors, (264), 9 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:32,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 35.0) internal successors, (350), 10 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:32,150 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 35.0) internal successors, (350), 10 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:32,150 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 125 predicate places. [2021-08-13 12:54:32,150 INFO L482 AbstractCegarLoop]: Abstraction has has 159 places, 7051 transitions, 232842 flow [2021-08-13 12:54:32,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:32,150 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:54:32,150 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:54:32,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-13 12:54:32,355 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:54:32,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:54:32,355 INFO L82 PathProgramCache]: Analyzing trace with hash 915399265, now seen corresponding path program 1 times [2021-08-13 12:54:32,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:54:32,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607381137] [2021-08-13 12:54:32,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:54:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:54:32,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:54:32,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:54:32,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:54:32,416 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-08-13 12:54:32,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 12:54:32,588 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-08-13 12:54:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:54:32,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:54:32,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607381137] [2021-08-13 12:54:32,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607381137] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:54:32,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446473720] [2021-08-13 12:54:32,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:54:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:54:32,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-13 12:54:32,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:54:32,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:54:32,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:54:32,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:54:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:54:32,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:54:32,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:54:32,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:54:32,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:54:32,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:54:32,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:54:32,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-13 12:54:32,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:54:32,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 12:54:32,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 12:54:32,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 12:54:32,699 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:11 [2021-08-13 12:54:32,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:54:32,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:54:32,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:54:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:54:32,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446473720] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:54:32,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:54:32,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-08-13 12:54:32,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956166896] [2021-08-13 12:54:32,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 12:54:32,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:54:32,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 12:54:32,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-08-13 12:54:32,734 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 35 [2021-08-13 12:54:32,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 7051 transitions, 232842 flow. Second operand has 10 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:54:32,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:54:32,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 35 [2021-08-13 12:54:32,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:55:30,747 INFO L129 PetriNetUnfolder]: 30381/48587 cut-off events. [2021-08-13 12:55:30,748 INFO L130 PetriNetUnfolder]: For 277744/279838 co-relation queries the response was YES. [2021-08-13 12:55:30,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677203 conditions, 48587 events. 30381/48587 cut-off events. For 277744/279838 co-relation queries the response was YES. Maximal size of possible extension queue 2503. Compared 399382 event pairs, 355 based on Foata normal form. 207/36636 useless extension candidates. Maximal degree in co-relation 676744. Up to 36114 conditions per place. [2021-08-13 12:55:31,152 INFO L132 encePairwiseOnDemand]: 19/35 looper letters, 4646 selfloop transitions, 1364 changer transitions 4578/10629 dead transitions. [2021-08-13 12:55:31,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 10629 transitions, 372030 flow [2021-08-13 12:55:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-13 12:55:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-13 12:55:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 798 transitions. [2021-08-13 12:55:31,154 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.76 [2021-08-13 12:55:31,154 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 798 transitions. [2021-08-13 12:55:31,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 798 transitions. [2021-08-13 12:55:31,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:55:31,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 798 transitions. [2021-08-13 12:55:31,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 26.6) internal successors, (798), 30 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:55:31,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 35.0) internal successors, (1085), 31 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:55:31,157 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 35.0) internal successors, (1085), 31 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:55:31,157 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 154 predicate places. [2021-08-13 12:55:31,157 INFO L482 AbstractCegarLoop]: Abstraction has has 188 places, 10629 transitions, 372030 flow [2021-08-13 12:55:31,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:55:31,158 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:55:31,158 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:55:31,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-13 12:55:31,358 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:55:31,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:55:31,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1462848803, now seen corresponding path program 1 times [2021-08-13 12:55:31,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:55:31,359 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475427120] [2021-08-13 12:55:31,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:55:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:55:31,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 12:55:31,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:55:31,398 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-08-13 12:55:31,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 12:55:31,411 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-08-13 12:55:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 12:55:31,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:55:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:55:31,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:55:31,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475427120] [2021-08-13 12:55:31,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475427120] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:55:31,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172516367] [2021-08-13 12:55:31,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:55:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:55:31,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 12:55:31,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:55:31,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 12:55:31,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 12:55:31,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 12:55:31,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-08-13 12:55:31,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 12:55:31,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 12:55:31,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:55:31,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:55:31,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-08-13 12:55:31,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 12:55:31,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 12:55:31,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:55:31,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:55:31,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:55:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:55:31,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172516367] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:55:31,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:55:31,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 12:55:31,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774459965] [2021-08-13 12:55:31,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 12:55:31,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:55:31,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 12:55:31,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-08-13 12:55:31,597 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 35 [2021-08-13 12:55:31,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 10629 transitions, 372030 flow. Second operand has 12 states, 12 states have (on average 21.0) internal successors, (252), 12 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:55:31,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:55:31,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 35 [2021-08-13 12:55:31,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:58:05,912 INFO L129 PetriNetUnfolder]: 37302/60104 cut-off events. [2021-08-13 12:58:05,912 INFO L130 PetriNetUnfolder]: For 354611/355954 co-relation queries the response was YES. [2021-08-13 12:58:06,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 878944 conditions, 60104 events. 37302/60104 cut-off events. For 354611/355954 co-relation queries the response was YES. Maximal size of possible extension queue 2993. Compared 513420 event pairs, 517 based on Foata normal form. 174/44773 useless extension candidates. Maximal degree in co-relation 878176. Up to 45327 conditions per place. [2021-08-13 12:58:06,429 INFO L132 encePairwiseOnDemand]: 27/35 looper letters, 5029 selfloop transitions, 680 changer transitions 5418/12140 dead transitions. [2021-08-13 12:58:06,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 12140 transitions, 446862 flow [2021-08-13 12:58:06,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-13 12:58:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-13 12:58:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 428 transitions. [2021-08-13 12:58:06,431 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8152380952380952 [2021-08-13 12:58:06,431 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 428 transitions. [2021-08-13 12:58:06,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 428 transitions. [2021-08-13 12:58:06,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:58:06,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 428 transitions. [2021-08-13 12:58:06,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 28.533333333333335) internal successors, (428), 15 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:58:06,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 35.0) internal successors, (560), 16 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:58:06,433 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 35.0) internal successors, (560), 16 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:58:06,433 INFO L348 CegarLoopForPetriNet]: 34 programPoint places, 168 predicate places. [2021-08-13 12:58:06,433 INFO L482 AbstractCegarLoop]: Abstraction has has 202 places, 12140 transitions, 446862 flow [2021-08-13 12:58:06,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 21.0) internal successors, (252), 12 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:58:06,434 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:58:06,434 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:58:06,659 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 12:58:06,659 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:58:06,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:58:06,659 INFO L82 PathProgramCache]: Analyzing trace with hash -777047777, now seen corresponding path program 2 times [2021-08-13 12:58:06,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:58:06,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902932684] [2021-08-13 12:58:06,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:58:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:58:06,696 INFO L142 QuantifierPusher]: treesize reduction 17, result has 56.4 percent of original size [2021-08-13 12:58:06,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 12:58:06,713 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-08-13 12:58:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:58:06,739 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-08-13 12:58:06,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 12:58:06,766 INFO L142 QuantifierPusher]: treesize reduction 37, result has 60.6 percent of original size [2021-08-13 12:58:06,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 12:58:06,807 INFO L142 QuantifierPusher]: treesize reduction 71, result has 47.8 percent of original size [2021-08-13 12:58:06,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-13 12:58:06,821 INFO L142 QuantifierPusher]: treesize reduction 69, result has 56.1 percent of original size [2021-08-13 12:58:06,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-08-13 12:58:06,872 INFO L142 QuantifierPusher]: treesize reduction 55, result has 46.1 percent of original size [2021-08-13 12:58:06,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 12:58:06,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:58:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:58:06,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:58:06,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902932684] [2021-08-13 12:58:06,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902932684] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:58:06,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723970827] [2021-08-13 12:58:06,901 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 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 [2021-08-13 12:58:06,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 12:58:06,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 12:58:06,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 12:58:06,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 12:58:06,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 12:58:06,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 12:58:06,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:06,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:06,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:06,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:06,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 12:58:07,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 12:58:07,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:58:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:58:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 12:58:07,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:58:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:58:07,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:58:07,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 12:58:07,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 12:58:07,129 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-08-13 12:58:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-08-13 12:58:07,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:58:07,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 12:58:07,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:58:07,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:58:07,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:58:07,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:58:07,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 12:58:07,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:58:07,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-13 12:58:07,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:58:07,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:58:07,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:58:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 12:58:07,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723970827] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 12:58:07,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 12:58:07,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-08-13 12:58:07,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745838266] [2021-08-13 12:58:07,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-08-13 12:58:07,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:58:07,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-13 12:58:07,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-08-13 12:58:07,145 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 35 [2021-08-13 12:58:07,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 12140 transitions, 446862 flow. Second operand has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 12:58:07,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:58:07,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 35 [2021-08-13 12:58:07,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-08-13 13:01:34,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 13:01:34,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 13:01:34,449 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 13:01:34,451 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 13:01:34,452 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 13:01:34,453 INFO L202 PluginConnector]: Adding new model array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 01:01:34 BasicIcfg [2021-08-13 13:01:34,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 13:01:34,453 INFO L168 Benchmark]: Toolchain (without parser) took 557182.78 ms. Allocated memory was 184.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 165.2 MB in the beginning and 473.7 MB in the end (delta: -308.6 MB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. [2021-08-13 13:01:34,453 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 184.5 MB. Free memory is still 166.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 13:01:34,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.08 ms. Allocated memory is still 184.5 MB. Free memory was 165.2 MB in the beginning and 163.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 13:01:34,453 INFO L168 Benchmark]: Boogie Preprocessor took 16.45 ms. Allocated memory is still 184.5 MB. Free memory was 163.6 MB in the beginning and 162.7 MB in the end (delta: 908.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 13:01:34,454 INFO L168 Benchmark]: RCFGBuilder took 267.73 ms. Allocated memory is still 184.5 MB. Free memory was 162.6 MB in the beginning and 149.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-13 13:01:34,454 INFO L168 Benchmark]: TraceAbstraction took 556869.91 ms. Allocated memory was 184.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 149.2 MB in the beginning and 473.7 MB in the end (delta: -324.6 MB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. [2021-08-13 13:01:34,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 184.5 MB. Free memory is still 166.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.08 ms. Allocated memory is still 184.5 MB. Free memory was 165.2 MB in the beginning and 163.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.45 ms. Allocated memory is still 184.5 MB. Free memory was 163.6 MB in the beginning and 162.7 MB in the end (delta: 908.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 267.73 ms. Allocated memory is still 184.5 MB. Free memory was 162.6 MB in the beginning and 149.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 556869.91 ms. Allocated memory was 184.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 149.2 MB in the beginning and 473.7 MB in the end (delta: -324.6 MB). Peak memory consumption was 3.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (14states, 17/35 universal loopers) in iteration 19,while PetriNetUnfolder was constructing finite prefix that currently has 853061 conditions, 54753 events (33611/54752 cut-off events. For 436268/438452 co-relation queries the response was YES. Maximal size of possible extension queue 3806. Compared 506078 event pairs, 481 based on Foata normal form. 92/42089 useless extension candidates. Maximal degree in co-relation 852963. Up to 41704 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 51 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 556777.0ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 549633.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 82 SDtfs, 1563 SDslu, 164 SDs, 0 SdLazy, 4417 SolverSat, 219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2546.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 447 GetRequests, 224 SyntacticMatches, 8 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 3760.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=446862occurred in iteration=18, InterpolantAutomatonStates: 186, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 72.1ms SsaConstructionTime, 302.2ms SatisfiabilityAnalysisTime, 3724.5ms InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 632 ConstructedInterpolants, 0 QuantifiedInterpolants, 8054 SizeOfPredicates, 88 NumberOfNonLiveVariables, 723 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 31 InterpolantComputations, 7 PerfectInterpolantSequences, 28/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown