/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 03:20:21,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 03:20:21,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 03:20:21,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 03:20:21,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 03:20:21,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 03:20:21,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 03:20:21,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 03:20:21,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 03:20:21,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 03:20:21,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 03:20:21,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 03:20:21,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 03:20:21,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 03:20:21,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 03:20:21,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 03:20:21,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 03:20:21,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 03:20:21,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 03:20:21,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 03:20:21,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 03:20:21,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 03:20:21,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 03:20:21,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 03:20:21,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 03:20:21,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 03:20:21,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 03:20:21,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 03:20:21,153 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.epf [2021-08-13 03:20:21,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 03:20:21,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 03:20:21,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 03:20:21,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 03:20:21,167 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 03:20:21,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 03:20:21,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 03:20:21,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 03:20:21,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 03:20:21,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 03:20:21,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 03:20:21,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 03:20:21,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 03:20:21,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 03:20:21,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 03:20:21,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 03:20:21,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 03:20:21,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 03:20:21,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 03:20:21,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 03:20:21,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 03:20:21,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 03:20:21,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 03:20:21,171 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 03:20:21,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 03:20:21,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 03:20:21,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 03:20:21,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 03:20:21,421 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 03:20:21,424 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 03:20:21,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl [2021-08-13 03:20:21,425 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2021-08-13 03:20:21,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 03:20:21,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 03:20:21,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 03:20:21,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 03:20:21,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 03:20:21,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 03:20:21,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 03:20:21,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 03:20:21,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 03:20:21,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/1) ... [2021-08-13 03:20:21,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 03:20:21,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 03:20:21,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 03:20:21,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 03:20:21,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (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 03:20:21,536 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 03:20:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 03:20:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 03:20:21,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 03:20:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 03:20:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 03:20:21,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 03:20:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 03:20:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 03:20:21,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 03:20:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 03:20:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 03:20:21,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-13 03:20:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-13 03:20:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-13 03:20:21,540 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 03:20:21,772 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 03:20:21,772 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 03:20:21,772 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-08-13 03:20:21,773 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-08-13 03:20:21,773 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-08-13 03:20:21,773 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-08-13 03:20:21,774 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:20:21 BoogieIcfgContainer [2021-08-13 03:20:21,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 03:20:21,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 03:20:21,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 03:20:21,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 03:20:21,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:20:21" (1/2) ... [2021-08-13 03:20:21,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1891690 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 03:20:21, skipping insertion in model container [2021-08-13 03:20:21,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:20:21" (2/2) ... [2021-08-13 03:20:21,779 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2021-08-13 03:20:21,783 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 03:20:21,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 03:20:21,783 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 03:20:21,836 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 03:20:21,858 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-13 03:20:21,886 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 03:20:21,887 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 03:20:21,887 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 03:20:21,887 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 03:20:21,887 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 03:20:21,887 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 03:20:21,887 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 03:20:21,887 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 03:20:21,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 90 flow [2021-08-13 03:20:21,925 INFO L129 PetriNetUnfolder]: 4/25 cut-off events. [2021-08-13 03:20:21,926 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 03:20:21,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 25 events. 4/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 23 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-08-13 03:20:21,929 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 29 transitions, 90 flow [2021-08-13 03:20:21,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 23 transitions, 70 flow [2021-08-13 03:20:21,947 INFO L129 PetriNetUnfolder]: 4/22 cut-off events. [2021-08-13 03:20:21,947 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 03:20:21,947 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:21,948 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:21,948 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:21,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:21,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1965573951, now seen corresponding path program 1 times [2021-08-13 03:20:21,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:21,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846679315] [2021-08-13 03:20:21,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:22,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,094 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 03:20:22,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:22,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846679315] [2021-08-13 03:20:22,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846679315] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:20:22,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:20:22,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 03:20:22,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835461064] [2021-08-13 03:20:22,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 03:20:22,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:22,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 03:20:22,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 03:20:22,112 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-08-13 03:20:22,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:22,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:22,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-08-13 03:20:22,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:22,151 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([89] L63-->L62: Formula: (= v_s2_5 (+ v_t22_2 v_s2_6)) InVars {t22=v_t22_2, s2=v_s2_6} OutVars{t22=v_t22_2, s2=v_s2_5} AuxVars[] AssignedVars[s2][20], [18#L36true, 35#true, 21#L79true, 37#true, 39#true, 9#L62true, 41#true, 42#true, 10#L49true, 29#L23true]) [2021-08-13 03:20:22,151 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,151 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,151 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,151 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,155 INFO L129 PetriNetUnfolder]: 19/54 cut-off events. [2021-08-13 03:20:22,155 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-08-13 03:20:22,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 54 events. 19/54 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 124 event pairs, 0 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 72. Up to 22 conditions per place. [2021-08-13 03:20:22,159 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 5 selfloop transitions, 5 changer transitions 0/27 dead transitions. [2021-08-13 03:20:22,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 27 transitions, 98 flow [2021-08-13 03:20:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 03:20:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 03:20:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2021-08-13 03:20:22,168 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2021-08-13 03:20:22,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 77 transitions. [2021-08-13 03:20:22,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 77 transitions. [2021-08-13 03:20:22,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:22,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 77 transitions. [2021-08-13 03:20:22,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 03:20:22,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 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 03:20:22,177 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 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 03:20:22,178 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 2 predicate places. [2021-08-13 03:20:22,178 INFO L482 AbstractCegarLoop]: Abstraction has has 34 places, 27 transitions, 98 flow [2021-08-13 03:20:22,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:22,178 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:22,178 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:22,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 03:20:22,179 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:22,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:22,179 INFO L82 PathProgramCache]: Analyzing trace with hash 2132819484, now seen corresponding path program 1 times [2021-08-13 03:20:22,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:22,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470612167] [2021-08-13 03:20:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:22,233 INFO L142 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size [2021-08-13 03:20:22,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:22,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 03:20:22,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,245 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 03:20:22,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:22,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470612167] [2021-08-13 03:20:22,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470612167] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:22,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063211748] [2021-08-13 03:20:22,246 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 03:20:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:22,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-13 03:20:22,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:22,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:22,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:22,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:22,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:22,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:22,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:22,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:22,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,431 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 03:20:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,434 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 03:20:22,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063211748] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:20:22,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 03:20:22,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-13 03:20:22,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377368465] [2021-08-13 03:20:22,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:20:22,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:22,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:20:22,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-13 03:20:22,438 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-08-13 03:20:22,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 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 03:20:22,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:22,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-08-13 03:20:22,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:22,504 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][20], [17#L24true, 35#true, 21#L79true, 53#(<= i2 i1), 37#true, 39#true, 41#true, 42#true, 10#L49true, 15#L63true, 31#L37true]) [2021-08-13 03:20:22,512 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:20:22,513 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,513 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,513 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,513 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([85] L49-->L50: Formula: (and (= v_t12_5 (select v_x_13 v_i2_19)) (< v_i2_20 v_n_10) (= (+ v_i2_20 1) v_i2_19)) InVars {x=v_x_13, i2=v_i2_20, n=v_n_10} OutVars{t12=v_t12_5, x=v_x_13, i2=v_i2_19, n=v_n_10} AuxVars[] AssignedVars[t12, i2][15], [17#L24true, 34#true, 20#L78true, 53#(<= i2 i1), 37#true, 39#true, 24#L50true, 41#true, 42#true, 31#L37true]) [2021-08-13 03:20:22,513 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:20:22,513 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,513 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,513 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:22,515 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][20], [17#L24true, 35#true, 21#L79true, 37#true, 53#(<= i2 i1), 39#true, 41#true, 10#L49true, 42#true, 31#L37true, 15#L63true]) [2021-08-13 03:20:22,515 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:20:22,515 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:20:22,515 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,515 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,515 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,517 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][19], [17#L24true, 35#true, 21#L79true, 37#true, 39#true, 24#L50true, 41#true, 42#true, 46#true, 31#L37true, 15#L63true]) [2021-08-13 03:20:22,517 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 03:20:22,517 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:20:22,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:22,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:22,524 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][19], [35#true, 21#L79true, 37#true, 39#true, 24#L50true, 41#true, 42#true, 29#L23true, 46#true, 15#L63true, 31#L37true]) [2021-08-13 03:20:22,524 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 03:20:22,524 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:20:22,524 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,524 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,530 INFO L129 PetriNetUnfolder]: 250/431 cut-off events. [2021-08-13 03:20:22,531 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-08-13 03:20:22,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 431 events. 250/431 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1829 event pairs, 17 based on Foata normal form. 1/402 useless extension candidates. Maximal degree in co-relation 784. Up to 161 conditions per place. [2021-08-13 03:20:22,538 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 7 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-08-13 03:20:22,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 36 transitions, 148 flow [2021-08-13 03:20:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 03:20:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 03:20:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-08-13 03:20:22,543 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.896551724137931 [2021-08-13 03:20:22,543 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-08-13 03:20:22,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-08-13 03:20:22,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:22,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-08-13 03:20:22,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 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 03:20:22,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 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 03:20:22,548 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 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 03:20:22,549 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 5 predicate places. [2021-08-13 03:20:22,549 INFO L482 AbstractCegarLoop]: Abstraction has has 37 places, 36 transitions, 148 flow [2021-08-13 03:20:22,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 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 03:20:22,549 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:22,550 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:22,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-13 03:20:22,761 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:22,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:22,761 INFO L82 PathProgramCache]: Analyzing trace with hash 140740580, now seen corresponding path program 1 times [2021-08-13 03:20:22,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:22,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635135541] [2021-08-13 03:20:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:22,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 03:20:22,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,801 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 03:20:22,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:22,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635135541] [2021-08-13 03:20:22,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635135541] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:22,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511204618] [2021-08-13 03:20:22,801 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 03:20:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:22,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-13 03:20:22,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:22,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:22,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:22,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:22,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:22,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:22,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:22,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:22,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:22,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:22,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:22,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:22,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:22,898 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 03:20:22,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:22,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:22,900 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 03:20:22,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511204618] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:20:22,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 03:20:22,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-13 03:20:22,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718407287] [2021-08-13 03:20:22,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:20:22,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:22,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:20:22,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-13 03:20:22,902 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-08-13 03:20:22,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 36 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 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 03:20:22,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:22,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-08-13 03:20:22,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:22,948 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][17], [17#L24true, 35#true, 53#(<= i2 i1), 101#true, 21#L79true, 37#true, 39#true, 41#true, 10#L49true, 42#true, 15#L63true, 31#L37true]) [2021-08-13 03:20:22,948 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,948 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,948 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,948 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,948 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([85] L49-->L50: Formula: (and (= v_t12_5 (select v_x_13 v_i2_19)) (< v_i2_20 v_n_10) (= (+ v_i2_20 1) v_i2_19)) InVars {x=v_x_13, i2=v_i2_20, n=v_n_10} OutVars{t12=v_t12_5, x=v_x_13, i2=v_i2_19, n=v_n_10} AuxVars[] AssignedVars[t12, i2][12], [17#L24true, 34#true, 20#L78true, 53#(<= i2 i1), 101#true, 37#true, 39#true, 24#L50true, 41#true, 42#true, 31#L37true]) [2021-08-13 03:20:22,948 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:22,948 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,948 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:22,948 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:22,954 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][17], [17#L24true, 35#true, 53#(<= i2 i1), 101#true, 21#L79true, 37#true, 39#true, 41#true, 42#true, 10#L49true, 15#L63true, 31#L37true]) [2021-08-13 03:20:22,954 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,954 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,954 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,954 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:22,954 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:22,957 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][29], [17#L24true, 35#true, 101#true, 21#L79true, 37#true, 39#true, 24#L50true, 41#true, 42#true, 46#true, 15#L63true, 31#L37true]) [2021-08-13 03:20:22,957 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:20:22,957 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:20:22,957 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:22,957 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:22,965 INFO L129 PetriNetUnfolder]: 340/581 cut-off events. [2021-08-13 03:20:22,965 INFO L130 PetriNetUnfolder]: For 130/184 co-relation queries the response was YES. [2021-08-13 03:20:22,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1379 conditions, 581 events. 340/581 cut-off events. For 130/184 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2618 event pairs, 22 based on Foata normal form. 5/546 useless extension candidates. Maximal degree in co-relation 1322. Up to 219 conditions per place. [2021-08-13 03:20:22,971 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 15 selfloop transitions, 13 changer transitions 0/49 dead transitions. [2021-08-13 03:20:22,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 49 transitions, 258 flow [2021-08-13 03:20:22,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 03:20:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 03:20:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-08-13 03:20:22,972 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.896551724137931 [2021-08-13 03:20:22,972 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-08-13 03:20:22,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-08-13 03:20:22,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:22,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-08-13 03:20:22,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 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 03:20:22,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 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 03:20:22,974 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 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 03:20:22,974 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 8 predicate places. [2021-08-13 03:20:22,974 INFO L482 AbstractCegarLoop]: Abstraction has has 40 places, 49 transitions, 258 flow [2021-08-13 03:20:22,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 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 03:20:22,974 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:22,974 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:23,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:23,186 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:23,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:23,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1124543733, now seen corresponding path program 1 times [2021-08-13 03:20:23,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:23,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210007235] [2021-08-13 03:20:23,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:23,259 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:23,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:23,284 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:23,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:23,292 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-08-13 03:20:23,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:23,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:23,328 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:23,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:23,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:23,338 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 03:20:23,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:23,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210007235] [2021-08-13 03:20:23,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210007235] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:23,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786401617] [2021-08-13 03:20:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 03:20:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:23,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:23,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:23,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:23,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:23,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:23,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:23,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,410 INFO L147 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size 24 [2021-08-13 03:20:23,411 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-08-13 03:20:23,412 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-08-13 03:20:23,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-08-13 03:20:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:23,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:23,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,423 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-08-13 03:20:23,424 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-08-13 03:20:23,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:23,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:23,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:23,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-13 03:20:23,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:23,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:23,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:23,490 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:7 [2021-08-13 03:20:23,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:23,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:23,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:23,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:23,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:23,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:23,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:23,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:23,536 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 03:20:23,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786401617] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:23,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:23,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:23,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001120324] [2021-08-13 03:20:23,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:23,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:23,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:23,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:23,541 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:23,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 49 transitions, 258 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 03:20:23,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:23,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:23,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:23,889 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [35#true, 101#true, 37#true, 39#true, 41#true, 42#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 53#(<= i2 i1), 21#L79true, 156#true]) [2021-08-13 03:20:23,889 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:23,889 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:23,889 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:23,889 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:23,898 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][33], [35#true, 37#true, 101#true, 39#true, 41#true, 42#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 53#(<= i2 i1), 156#true, 29#L23true]) [2021-08-13 03:20:23,898 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:23,898 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 03:20:23,898 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:23,899 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:23,913 INFO L129 PetriNetUnfolder]: 634/995 cut-off events. [2021-08-13 03:20:23,913 INFO L130 PetriNetUnfolder]: For 821/909 co-relation queries the response was YES. [2021-08-13 03:20:23,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3174 conditions, 995 events. 634/995 cut-off events. For 821/909 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 4483 event pairs, 15 based on Foata normal form. 21/1010 useless extension candidates. Maximal degree in co-relation 3104. Up to 686 conditions per place. [2021-08-13 03:20:23,922 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 55 selfloop transitions, 63 changer transitions 0/131 dead transitions. [2021-08-13 03:20:23,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 131 transitions, 942 flow [2021-08-13 03:20:23,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-13 03:20:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-13 03:20:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 366 transitions. [2021-08-13 03:20:23,924 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7887931034482759 [2021-08-13 03:20:23,924 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 366 transitions. [2021-08-13 03:20:23,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 366 transitions. [2021-08-13 03:20:23,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:23,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 366 transitions. [2021-08-13 03:20:23,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 22.875) internal successors, (366), 16 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:23,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 03:20:23,927 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 03:20:23,927 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 23 predicate places. [2021-08-13 03:20:23,928 INFO L482 AbstractCegarLoop]: Abstraction has has 55 places, 131 transitions, 942 flow [2021-08-13 03:20:23,928 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 03:20:23,928 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:23,928 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:24,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:24,146 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:24,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:24,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1202713029, now seen corresponding path program 1 times [2021-08-13 03:20:24,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:24,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475464267] [2021-08-13 03:20:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:24,177 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:24,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:24,181 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:24,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:24,187 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-08-13 03:20:24,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:24,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:24,209 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:24,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:24,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:24,219 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 03:20:24,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:24,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475464267] [2021-08-13 03:20:24,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475464267] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:24,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177501689] [2021-08-13 03:20:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:24,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2021-08-13 03:20:24,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:24,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:24,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:24,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:24,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:24,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:24,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,340 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-08-13 03:20:24,341 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-08-13 03:20:24,342 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-08-13 03:20:24,342 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 03:20:24,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:24,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:20:24,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:24,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:24,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:20:24,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:24,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:24,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:20:24,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-13 03:20:24,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:24,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:24,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:24,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,408 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 03:20:24,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:24,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:24,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:19 [2021-08-13 03:20:24,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:24,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:24,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,421 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size 21 [2021-08-13 03:20:24,421 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.8 percent of original size [2021-08-13 03:20:24,423 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-08-13 03:20:24,428 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:20:24,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:24,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:24,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:24,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:24,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:24,446 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 03:20:24,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177501689] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:24,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:24,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:24,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361481176] [2021-08-13 03:20:24,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:24,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:24,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:24,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:24,448 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:24,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 131 transitions, 942 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 03:20:24,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:24,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:24,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:24,711 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [35#true, 101#true, 37#true, 39#true, 233#true, 41#true, 42#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 53#(<= i2 i1), 21#L79true, 156#true]) [2021-08-13 03:20:24,711 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:24,711 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:24,711 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:24,711 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:24,720 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][34], [35#true, 37#true, 101#true, 39#true, 233#true, 41#true, 42#true, 10#L49true, 15#L63true, 18#L36true, 21#L79true, 53#(<= i2 i1), 156#true, 29#L23true]) [2021-08-13 03:20:24,720 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:24,720 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:24,720 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 03:20:24,720 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:24,735 INFO L129 PetriNetUnfolder]: 689/1093 cut-off events. [2021-08-13 03:20:24,736 INFO L130 PetriNetUnfolder]: For 975/1023 co-relation queries the response was YES. [2021-08-13 03:20:24,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4382 conditions, 1093 events. 689/1093 cut-off events. For 975/1023 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 5130 event pairs, 7 based on Foata normal form. 28/1114 useless extension candidates. Maximal degree in co-relation 4303. Up to 868 conditions per place. [2021-08-13 03:20:24,744 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 85 selfloop transitions, 90 changer transitions 0/188 dead transitions. [2021-08-13 03:20:24,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 188 transitions, 1706 flow [2021-08-13 03:20:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 03:20:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 03:20:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 301 transitions. [2021-08-13 03:20:24,746 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7984084880636605 [2021-08-13 03:20:24,746 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 301 transitions. [2021-08-13 03:20:24,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 301 transitions. [2021-08-13 03:20:24,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:24,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 301 transitions. [2021-08-13 03:20:24,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 23.153846153846153) internal successors, (301), 13 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:24,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 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 03:20:24,768 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 29.0) internal successors, (406), 14 states have internal predecessors, (406), 0 states have call successors, (0), 0 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 03:20:24,769 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 35 predicate places. [2021-08-13 03:20:24,769 INFO L482 AbstractCegarLoop]: Abstraction has has 67 places, 188 transitions, 1706 flow [2021-08-13 03:20:24,769 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 03:20:24,769 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:24,769 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:24,986 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:24,987 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:24,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:24,987 INFO L82 PathProgramCache]: Analyzing trace with hash -437530793, now seen corresponding path program 2 times [2021-08-13 03:20:24,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:24,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313524082] [2021-08-13 03:20:24,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:25,035 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:25,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,039 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:25,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,045 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:25,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:25,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,067 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:25,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:25,075 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 03:20:25,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:25,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313524082] [2021-08-13 03:20:25,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313524082] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:25,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480877042] [2021-08-13 03:20:25,075 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 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 03:20:25,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:20:25,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:25,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 03:20:25,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:25,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:25,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:25,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:25,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:25,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:25,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:25,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,154 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:25,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:25,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:25,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:25,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:25,161 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-08-13 03:20:25,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,174 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:20:25,174 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-08-13 03:20:25,175 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-08-13 03:20:25,176 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 03:20:25,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:25,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:25,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,223 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:25,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:25,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:25,233 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 03:20:25,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480877042] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:25,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:25,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-13 03:20:25,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690293586] [2021-08-13 03:20:25,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 03:20:25,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:25,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 03:20:25,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-13 03:20:25,234 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:25,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 188 transitions, 1706 flow. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:25,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:25,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:25,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:25,371 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][36], [35#true, 101#true, 37#true, 39#true, 41#true, 233#true, 10#L49true, 42#true, 15#L63true, 304#true, 17#L24true, 18#L36true, 53#(<= i2 i1), 21#L79true, 156#true]) [2021-08-13 03:20:25,371 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:25,371 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:25,371 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:25,371 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:25,381 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][36], [35#true, 101#true, 37#true, 39#true, 41#true, 233#true, 10#L49true, 42#true, 15#L63true, 304#true, 18#L36true, 53#(<= i2 i1), 21#L79true, 156#true, 29#L23true]) [2021-08-13 03:20:25,381 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:25,381 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:25,381 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:25,381 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 03:20:25,401 INFO L129 PetriNetUnfolder]: 758/1204 cut-off events. [2021-08-13 03:20:25,401 INFO L130 PetriNetUnfolder]: For 1107/1167 co-relation queries the response was YES. [2021-08-13 03:20:25,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5816 conditions, 1204 events. 758/1204 cut-off events. For 1107/1167 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 5775 event pairs, 11 based on Foata normal form. 21/1218 useless extension candidates. Maximal degree in co-relation 5732. Up to 959 conditions per place. [2021-08-13 03:20:25,411 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 134 selfloop transitions, 99 changer transitions 0/246 dead transitions. [2021-08-13 03:20:25,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 246 transitions, 2700 flow [2021-08-13 03:20:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 03:20:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 03:20:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-08-13 03:20:25,412 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-08-13 03:20:25,412 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-08-13 03:20:25,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-08-13 03:20:25,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:25,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-08-13 03:20:25,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:25,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:25,413 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:25,413 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 43 predicate places. [2021-08-13 03:20:25,413 INFO L482 AbstractCegarLoop]: Abstraction has has 75 places, 246 transitions, 2700 flow [2021-08-13 03:20:25,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:25,414 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:25,414 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:25,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-13 03:20:25,629 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:25,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:25,629 INFO L82 PathProgramCache]: Analyzing trace with hash -672256157, now seen corresponding path program 3 times [2021-08-13 03:20:25,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:25,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345046882] [2021-08-13 03:20:25,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:25,681 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:25,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,685 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:25,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,691 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:25,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,709 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:25,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:25,718 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 03:20:25,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:25,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345046882] [2021-08-13 03:20:25,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345046882] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:25,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547160145] [2021-08-13 03:20:25,718 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 03:20:25,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-13 03:20:25,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:25,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-13 03:20:25,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:25,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:25,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:25,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:25,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:25,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:25,784 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:25,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:25,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:25,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:25,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:25,791 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:25,791 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-08-13 03:20:25,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:25,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:25,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,804 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-08-13 03:20:25,804 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-08-13 03:20:25,805 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:20:25,805 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-08-13 03:20:25,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:25,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:25,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:25,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:25,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,843 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:25,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:25,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:25,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:25,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:25,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:25,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:25,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:25,850 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 03:20:25,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547160145] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:25,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:25,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-13 03:20:25,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495965882] [2021-08-13 03:20:25,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 03:20:25,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:25,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 03:20:25,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-08-13 03:20:25,851 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:25,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 246 transitions, 2700 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:25,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:25,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:25,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:26,022 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][36], [35#true, 101#true, 37#true, 39#true, 41#true, 233#true, 10#L49true, 42#true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 156#true]) [2021-08-13 03:20:26,022 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:26,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:26,022 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:26,022 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:26,036 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][36], [35#true, 37#true, 101#true, 39#true, 41#true, 233#true, 42#true, 10#L49true, 15#L63true, 304#true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 156#true, 29#L23true]) [2021-08-13 03:20:26,036 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:26,036 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:26,036 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:26,036 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 03:20:26,087 INFO L129 PetriNetUnfolder]: 794/1277 cut-off events. [2021-08-13 03:20:26,087 INFO L130 PetriNetUnfolder]: For 1262/1352 co-relation queries the response was YES. [2021-08-13 03:20:26,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7171 conditions, 1277 events. 794/1277 cut-off events. For 1262/1352 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6294 event pairs, 11 based on Foata normal form. 21/1291 useless extension candidates. Maximal degree in co-relation 7080. Up to 1007 conditions per place. [2021-08-13 03:20:26,098 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 156 selfloop transitions, 99 changer transitions 0/268 dead transitions. [2021-08-13 03:20:26,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 268 transitions, 3464 flow [2021-08-13 03:20:26,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 03:20:26,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 03:20:26,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-08-13 03:20:26,100 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-08-13 03:20:26,100 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-08-13 03:20:26,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-08-13 03:20:26,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:26,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-08-13 03:20:26,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,101 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,101 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 51 predicate places. [2021-08-13 03:20:26,101 INFO L482 AbstractCegarLoop]: Abstraction has has 83 places, 268 transitions, 3464 flow [2021-08-13 03:20:26,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,102 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:26,102 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:26,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:26,314 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:26,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:26,314 INFO L82 PathProgramCache]: Analyzing trace with hash -406528457, now seen corresponding path program 2 times [2021-08-13 03:20:26,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:26,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772673650] [2021-08-13 03:20:26,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:26,333 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:26,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,337 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:26,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:26,348 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:26,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:26,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:26,371 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:26,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:26,381 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 03:20:26,381 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:26,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772673650] [2021-08-13 03:20:26,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772673650] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:26,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135704951] [2021-08-13 03:20:26,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:26,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:20:26,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:26,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-13 03:20:26,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:26,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:26,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:26,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:26,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:26,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:26,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:26,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:26,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:26,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:26,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:26,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:26,466 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:26,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:26,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:26,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:26,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:26,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:26,474 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-08-13 03:20:26,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:26,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:26,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:26,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,489 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:20:26,490 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-08-13 03:20:26,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:26,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:26,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:26,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:26,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,530 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:26,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:26,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:26,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:26,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:26,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:26,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:26,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:26,535 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 03:20:26,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135704951] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:26,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:26,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-13 03:20:26,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112827237] [2021-08-13 03:20:26,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 03:20:26,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:26,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 03:20:26,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-08-13 03:20:26,536 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:26,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 268 transitions, 3464 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:26,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:26,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:26,696 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][29], [35#true, 101#true, 37#true, 39#true, 233#true, 41#true, 10#L49true, 42#true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 443#true, 156#true]) [2021-08-13 03:20:26,696 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:26,696 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:26,696 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:26,696 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:26,714 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][29], [35#true, 101#true, 37#true, 39#true, 41#true, 233#true, 10#L49true, 42#true, 15#L63true, 304#true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 443#true, 156#true, 29#L23true]) [2021-08-13 03:20:26,715 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:26,715 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 03:20:26,715 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:26,715 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:26,733 INFO L129 PetriNetUnfolder]: 834/1359 cut-off events. [2021-08-13 03:20:26,734 INFO L130 PetriNetUnfolder]: For 1554/1773 co-relation queries the response was YES. [2021-08-13 03:20:26,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8653 conditions, 1359 events. 834/1359 cut-off events. For 1554/1773 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 6950 event pairs, 8 based on Foata normal form. 21/1373 useless extension candidates. Maximal degree in co-relation 8553. Up to 1059 conditions per place. [2021-08-13 03:20:26,746 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 178 selfloop transitions, 106 changer transitions 0/297 dead transitions. [2021-08-13 03:20:26,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 297 transitions, 4416 flow [2021-08-13 03:20:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 03:20:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 03:20:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-08-13 03:20:26,747 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-08-13 03:20:26,747 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-08-13 03:20:26,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-08-13 03:20:26,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:26,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-08-13 03:20:26,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,748 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,748 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 59 predicate places. [2021-08-13 03:20:26,748 INFO L482 AbstractCegarLoop]: Abstraction has has 91 places, 297 transitions, 4416 flow [2021-08-13 03:20:26,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:26,749 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:26,749 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:26,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:26,964 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:26,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:26,965 INFO L82 PathProgramCache]: Analyzing trace with hash 243080485, now seen corresponding path program 3 times [2021-08-13 03:20:26,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:26,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692836356] [2021-08-13 03:20:26,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:26,982 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:26,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:26,986 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:26,991 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:27,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:27,037 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:27,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,045 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 03:20:27,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:27,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692836356] [2021-08-13 03:20:27,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692836356] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:27,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300151810] [2021-08-13 03:20:27,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:27,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-13 03:20:27,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:27,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 03:20:27,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:27,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:27,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:27,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:27,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:27,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:27,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:27,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:27,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:27,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:27,105 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:27,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:27,109 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-08-13 03:20:27,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,118 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:20:27,119 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-08-13 03:20:27,119 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-08-13 03:20:27,119 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 03:20:27,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:27,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:27,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,150 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:27,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,157 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 03:20:27,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300151810] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:27,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:27,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-13 03:20:27,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231546727] [2021-08-13 03:20:27,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 03:20:27,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:27,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 03:20:27,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-13 03:20:27,161 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:27,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 297 transitions, 4416 flow. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:27,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:27,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:27,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:27,309 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][36], [35#true, 515#true, 101#true, 37#true, 39#true, 41#true, 233#true, 42#true, 10#L49true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 443#true, 156#true]) [2021-08-13 03:20:27,309 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:27,309 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:27,310 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:27,310 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:27,328 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][36], [515#true, 35#true, 101#true, 37#true, 39#true, 41#true, 233#true, 10#L49true, 42#true, 15#L63true, 304#true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 443#true, 156#true, 29#L23true]) [2021-08-13 03:20:27,328 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:27,328 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:27,328 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:27,328 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 03:20:27,349 INFO L129 PetriNetUnfolder]: 870/1412 cut-off events. [2021-08-13 03:20:27,349 INFO L130 PetriNetUnfolder]: For 1714/1965 co-relation queries the response was YES. [2021-08-13 03:20:27,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10174 conditions, 1412 events. 870/1412 cut-off events. For 1714/1965 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 7184 event pairs, 10 based on Foata normal form. 21/1424 useless extension candidates. Maximal degree in co-relation 10069. Up to 1107 conditions per place. [2021-08-13 03:20:27,365 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 203 selfloop transitions, 103 changer transitions 0/319 dead transitions. [2021-08-13 03:20:27,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 319 transitions, 5370 flow [2021-08-13 03:20:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 03:20:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 03:20:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-08-13 03:20:27,366 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-08-13 03:20:27,366 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-08-13 03:20:27,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-08-13 03:20:27,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:27,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-08-13 03:20:27,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:27,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:27,367 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:27,367 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 67 predicate places. [2021-08-13 03:20:27,367 INFO L482 AbstractCegarLoop]: Abstraction has has 99 places, 319 transitions, 5370 flow [2021-08-13 03:20:27,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:27,368 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:27,368 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:27,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-13 03:20:27,590 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:27,590 INFO L82 PathProgramCache]: Analyzing trace with hash -112632323, now seen corresponding path program 1 times [2021-08-13 03:20:27,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:27,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424027700] [2021-08-13 03:20:27,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:27,627 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:20:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:27,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:27,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,645 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 03:20:27,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:27,654 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 03:20:27,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:27,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,664 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 03:20:27,664 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:27,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424027700] [2021-08-13 03:20:27,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424027700] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:27,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043953404] [2021-08-13 03:20:27,664 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 03:20:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:27,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:27,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:27,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:27,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:27,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:27,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:27,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:27,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,788 INFO L147 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size 24 [2021-08-13 03:20:27,788 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-08-13 03:20:27,788 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-08-13 03:20:27,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-08-13 03:20:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:27,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:27,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:27,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:27,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-13 03:20:27,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:27,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:27,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:27,809 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:7 [2021-08-13 03:20:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:27,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:27,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:27,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:27,843 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 03:20:27,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043953404] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:27,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:27,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:27,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460489317] [2021-08-13 03:20:27,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:27,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:27,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:27,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:27,844 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:27,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 319 transitions, 5370 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 03:20:27,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:27,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:27,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:28,190 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][51], [35#true, 515#true, 37#true, 101#true, 582#true, 39#true, 41#true, 233#true, 42#true, 10#L49true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 443#true, 156#true]) [2021-08-13 03:20:28,190 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:28,190 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:28,190 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:28,190 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 03:20:28,210 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][51], [35#true, 515#true, 37#true, 101#true, 582#true, 39#true, 41#true, 233#true, 42#true, 10#L49true, 15#L63true, 304#true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 443#true, 156#true, 29#L23true]) [2021-08-13 03:20:28,211 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:28,211 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:28,211 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:28,211 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:28,238 INFO L129 PetriNetUnfolder]: 1047/1692 cut-off events. [2021-08-13 03:20:28,238 INFO L130 PetriNetUnfolder]: For 2359/2879 co-relation queries the response was YES. [2021-08-13 03:20:28,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13596 conditions, 1692 events. 1047/1692 cut-off events. For 2359/2879 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 9029 event pairs, 7 based on Foata normal form. 84/1764 useless extension candidates. Maximal degree in co-relation 13480. Up to 1339 conditions per place. [2021-08-13 03:20:28,281 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 259 selfloop transitions, 130 changer transitions 0/402 dead transitions. [2021-08-13 03:20:28,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 402 transitions, 7592 flow [2021-08-13 03:20:28,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 03:20:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 03:20:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 415 transitions. [2021-08-13 03:20:28,283 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7950191570881227 [2021-08-13 03:20:28,283 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 415 transitions. [2021-08-13 03:20:28,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 415 transitions. [2021-08-13 03:20:28,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:28,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 415 transitions. [2021-08-13 03:20:28,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.055555555555557) internal successors, (415), 18 states have internal predecessors, (415), 0 states have call successors, (0), 0 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 03:20:28,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:28,285 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:28,285 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 84 predicate places. [2021-08-13 03:20:28,285 INFO L482 AbstractCegarLoop]: Abstraction has has 116 places, 402 transitions, 7592 flow [2021-08-13 03:20:28,285 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 03:20:28,285 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:28,285 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:28,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:28,501 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:28,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:28,501 INFO L82 PathProgramCache]: Analyzing trace with hash 39685249, now seen corresponding path program 1 times [2021-08-13 03:20:28,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:28,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560791512] [2021-08-13 03:20:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:28,513 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:28,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:28,516 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:28,522 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-08-13 03:20:28,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:28,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,536 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:28,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:28,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:28,544 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 03:20:28,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:28,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560791512] [2021-08-13 03:20:28,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560791512] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:28,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340616104] [2021-08-13 03:20:28,545 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 03:20:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:28,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:28,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:28,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:28,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:28,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:28,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:28,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:28,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:28,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:28,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:28,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:28,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:28,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:28,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:28,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-13 03:20:28,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:28,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:28,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:28,636 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:7 [2021-08-13 03:20:28,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:28,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:28,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:28,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:28,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:28,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:28,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:28,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:28,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:28,667 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 03:20:28,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340616104] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:28,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:28,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:28,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90578773] [2021-08-13 03:20:28,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:28,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:28,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:28,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:28,668 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:28,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 402 transitions, 7592 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 03:20:28,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:28,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:28,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:28,955 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][60], [515#true, 35#true, 37#true, 101#true, 582#true, 39#true, 41#true, 233#true, 10#L49true, 42#true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 663#true, 443#true, 156#true]) [2021-08-13 03:20:28,955 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:28,955 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:28,955 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:28,955 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:29,008 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][60], [515#true, 35#true, 37#true, 101#true, 582#true, 39#true, 233#true, 41#true, 10#L49true, 42#true, 15#L63true, 304#true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 663#true, 443#true, 156#true, 29#L23true]) [2021-08-13 03:20:29,008 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:29,008 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:29,008 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:29,008 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:29,051 INFO L129 PetriNetUnfolder]: 1181/1893 cut-off events. [2021-08-13 03:20:29,051 INFO L130 PetriNetUnfolder]: For 2562/2940 co-relation queries the response was YES. [2021-08-13 03:20:29,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16905 conditions, 1893 events. 1181/1893 cut-off events. For 2562/2940 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 10242 event pairs, 8 based on Foata normal form. 105/1987 useless extension candidates. Maximal degree in co-relation 16780. Up to 1523 conditions per place. [2021-08-13 03:20:29,079 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 327 selfloop transitions, 110 changer transitions 0/450 dead transitions. [2021-08-13 03:20:29,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 450 transitions, 9396 flow [2021-08-13 03:20:29,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-13 03:20:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-13 03:20:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 366 transitions. [2021-08-13 03:20:29,081 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7887931034482759 [2021-08-13 03:20:29,081 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 366 transitions. [2021-08-13 03:20:29,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 366 transitions. [2021-08-13 03:20:29,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:29,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 366 transitions. [2021-08-13 03:20:29,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 22.875) internal successors, (366), 16 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:29,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 03:20:29,084 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 29.0) internal successors, (493), 17 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 03:20:29,085 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 99 predicate places. [2021-08-13 03:20:29,085 INFO L482 AbstractCegarLoop]: Abstraction has has 131 places, 450 transitions, 9396 flow [2021-08-13 03:20:29,085 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 03:20:29,085 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:29,085 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:29,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:29,301 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:29,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:29,301 INFO L82 PathProgramCache]: Analyzing trace with hash 778325323, now seen corresponding path program 2 times [2021-08-13 03:20:29,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:29,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699755343] [2021-08-13 03:20:29,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:29,322 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:20:29,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,328 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-08-13 03:20:29,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:29,335 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-08-13 03:20:29,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:29,345 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 03:20:29,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:29,355 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 03:20:29,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:29,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:29,364 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 03:20:29,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:29,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699755343] [2021-08-13 03:20:29,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699755343] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:29,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601431587] [2021-08-13 03:20:29,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 03:20:29,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:20:29,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:29,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-13 03:20:29,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:29,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:29,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:29,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:29,439 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:29,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:29,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:29,442 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:29,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:29,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:29,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-08-13 03:20:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:29,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,466 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-08-13 03:20:29,467 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-08-13 03:20:29,467 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-08-13 03:20:29,468 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-08-13 03:20:29,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:29,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:29,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:29,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:29,520 INFO L142 QuantifierPusher]: treesize reduction 18, result has 5.3 percent of original size [2021-08-13 03:20:29,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:29,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:29,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:29,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:29,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:29,523 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 03:20:29,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601431587] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:29,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:29,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:29,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643532935] [2021-08-13 03:20:29,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:29,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:29,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:29,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:29,524 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:29,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 450 transitions, 9396 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 03:20:29,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:29,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:29,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:29,977 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [515#true, 35#true, 740#true, 101#true, 37#true, 582#true, 39#true, 233#true, 41#true, 42#true, 10#L49true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 663#true, 443#true, 156#true]) [2021-08-13 03:20:29,977 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:29,977 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:29,977 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:29,977 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:30,010 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [515#true, 35#true, 740#true, 37#true, 101#true, 582#true, 39#true, 233#true, 41#true, 42#true, 10#L49true, 15#L63true, 304#true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 663#true, 443#true, 156#true, 29#L23true]) [2021-08-13 03:20:30,010 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:30,010 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:30,010 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:30,010 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:30,050 INFO L129 PetriNetUnfolder]: 1210/1936 cut-off events. [2021-08-13 03:20:30,050 INFO L130 PetriNetUnfolder]: For 2836/3238 co-relation queries the response was YES. [2021-08-13 03:20:30,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18942 conditions, 1936 events. 1210/1936 cut-off events. For 2836/3238 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 10458 event pairs, 11 based on Foata normal form. 105/2030 useless extension candidates. Maximal degree in co-relation 18814. Up to 1563 conditions per place. [2021-08-13 03:20:30,070 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 343 selfloop transitions, 137 changer transitions 0/493 dead transitions. [2021-08-13 03:20:30,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 493 transitions, 11270 flow [2021-08-13 03:20:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 03:20:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 03:20:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 412 transitions. [2021-08-13 03:20:30,072 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.789272030651341 [2021-08-13 03:20:30,072 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 412 transitions. [2021-08-13 03:20:30,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 412 transitions. [2021-08-13 03:20:30,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:30,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 412 transitions. [2021-08-13 03:20:30,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.88888888888889) internal successors, (412), 18 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:30,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:30,077 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:30,077 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 116 predicate places. [2021-08-13 03:20:30,077 INFO L482 AbstractCegarLoop]: Abstraction has has 148 places, 493 transitions, 11270 flow [2021-08-13 03:20:30,077 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 03:20:30,077 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:30,077 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:30,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-13 03:20:30,294 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:30,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:30,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1339086695, now seen corresponding path program 3 times [2021-08-13 03:20:30,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:30,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102516748] [2021-08-13 03:20:30,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:30,307 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:20:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:30,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-08-13 03:20:30,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:30,325 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-08-13 03:20:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:30,333 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-08-13 03:20:30,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:30,343 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 03:20:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:30,351 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 03:20:30,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:30,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102516748] [2021-08-13 03:20:30,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102516748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:30,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684272949] [2021-08-13 03:20:30,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:30,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-13 03:20:30,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:30,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-13 03:20:30,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:30,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:30,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:30,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:30,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:30,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:30,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:30,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:30,426 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:30,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:30,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:30,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:30,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:30,433 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:30,433 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-08-13 03:20:30,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:30,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:30,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:30,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,444 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:20:30,444 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-08-13 03:20:30,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:30,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:30,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:30,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,486 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:30,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:30,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:30,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:30,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:30,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:30,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:30,491 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 03:20:30,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684272949] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:30,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:30,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-13 03:20:30,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240472759] [2021-08-13 03:20:30,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 03:20:30,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:30,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 03:20:30,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-08-13 03:20:30,493 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:30,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 493 transitions, 11270 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:30,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:30,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:30,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:30,706 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [35#true, 515#true, 740#true, 37#true, 101#true, 582#true, 39#true, 233#true, 41#true, 10#L49true, 42#true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 663#true, 825#true, 443#true, 156#true]) [2021-08-13 03:20:30,707 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:30,707 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:30,707 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:30,707 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:30,796 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [35#true, 515#true, 740#true, 37#true, 101#true, 582#true, 39#true, 41#true, 233#true, 10#L49true, 42#true, 15#L63true, 304#true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 663#true, 825#true, 443#true, 156#true, 29#L23true]) [2021-08-13 03:20:30,797 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:30,797 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:30,797 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:30,797 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:30,840 INFO L129 PetriNetUnfolder]: 1253/2004 cut-off events. [2021-08-13 03:20:30,840 INFO L130 PetriNetUnfolder]: For 2550/2624 co-relation queries the response was YES. [2021-08-13 03:20:30,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21271 conditions, 2004 events. 1253/2004 cut-off events. For 2550/2624 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 10850 event pairs, 26 based on Foata normal form. 19/2013 useless extension candidates. Maximal degree in co-relation 21134. Up to 1619 conditions per place. [2021-08-13 03:20:30,859 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 378 selfloop transitions, 128 changer transitions 0/519 dead transitions. [2021-08-13 03:20:30,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 519 transitions, 12888 flow [2021-08-13 03:20:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 03:20:30,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 03:20:30,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 217 transitions. [2021-08-13 03:20:30,860 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2021-08-13 03:20:30,860 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 217 transitions. [2021-08-13 03:20:30,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 217 transitions. [2021-08-13 03:20:30,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:30,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 217 transitions. [2021-08-13 03:20:30,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:30,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:30,861 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 29.0) internal successors, (290), 10 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:30,861 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 124 predicate places. [2021-08-13 03:20:30,861 INFO L482 AbstractCegarLoop]: Abstraction has has 156 places, 519 transitions, 12888 flow [2021-08-13 03:20:30,861 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:30,861 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:30,861 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:31,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-13 03:20:31,080 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:31,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:31,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1476497057, now seen corresponding path program 2 times [2021-08-13 03:20:31,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:31,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800952302] [2021-08-13 03:20:31,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:31,096 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:31,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:31,099 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:31,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,104 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:31,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:31,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:31,121 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:31,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:31,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:31,130 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 03:20:31,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:31,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800952302] [2021-08-13 03:20:31,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800952302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:31,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822274391] [2021-08-13 03:20:31,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:31,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:20:31,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:31,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-13 03:20:31,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:31,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:31,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:31,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:31,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:31,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:31,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:31,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:31,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:31,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:31,199 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:31,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:31,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:31,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:31,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:31,207 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-08-13 03:20:31,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:31,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:31,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,220 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:20:31,221 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-08-13 03:20:31,221 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-08-13 03:20:31,221 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-08-13 03:20:31,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:31,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,240 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-08-13 03:20:31,241 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-08-13 03:20:31,241 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-08-13 03:20:31,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-08-13 03:20:31,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:31,262 INFO L142 QuantifierPusher]: treesize reduction 18, result has 5.3 percent of original size [2021-08-13 03:20:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:31,264 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 03:20:31,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822274391] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:31,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:31,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:31,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545489808] [2021-08-13 03:20:31,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:31,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:31,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:31,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:31,266 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:31,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 519 transitions, 12888 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 03:20:31,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:31,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:31,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:31,713 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [515#true, 35#true, 740#true, 37#true, 101#true, 582#true, 39#true, 233#true, 41#true, 42#true, 10#L49true, 15#L63true, 304#true, 17#L24true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 663#true, 825#true, 443#true, 156#true, 893#true]) [2021-08-13 03:20:31,713 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:31,713 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:31,713 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:31,713 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:31,758 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][93], [35#true, 515#true, 740#true, 37#true, 101#true, 582#true, 39#true, 41#true, 233#true, 42#true, 10#L49true, 15#L63true, 304#true, 18#L36true, 371#true, 21#L79true, 53#(<= i2 i1), 663#true, 825#true, 443#true, 156#true, 29#L23true, 893#true]) [2021-08-13 03:20:31,758 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:31,759 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:31,759 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:31,759 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:31,816 INFO L129 PetriNetUnfolder]: 1276/2065 cut-off events. [2021-08-13 03:20:31,817 INFO L130 PetriNetUnfolder]: For 2847/2949 co-relation queries the response was YES. [2021-08-13 03:20:31,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23400 conditions, 2065 events. 1276/2065 cut-off events. For 2847/2949 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 11521 event pairs, 7 based on Foata normal form. 33/2087 useless extension candidates. Maximal degree in co-relation 23254. Up to 1651 conditions per place. [2021-08-13 03:20:31,844 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 397 selfloop transitions, 140 changer transitions 0/550 dead transitions. [2021-08-13 03:20:31,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 550 transitions, 14750 flow [2021-08-13 03:20:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 03:20:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 03:20:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 412 transitions. [2021-08-13 03:20:31,845 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.789272030651341 [2021-08-13 03:20:31,845 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 412 transitions. [2021-08-13 03:20:31,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 412 transitions. [2021-08-13 03:20:31,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:31,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 412 transitions. [2021-08-13 03:20:31,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.88888888888889) internal successors, (412), 18 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:31,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:31,847 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:31,847 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 141 predicate places. [2021-08-13 03:20:31,847 INFO L482 AbstractCegarLoop]: Abstraction has has 173 places, 550 transitions, 14750 flow [2021-08-13 03:20:31,847 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 03:20:31,847 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:31,848 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:32,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-13 03:20:32,069 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:32,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:32,069 INFO L82 PathProgramCache]: Analyzing trace with hash -552918629, now seen corresponding path program 3 times [2021-08-13 03:20:32,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:32,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679033930] [2021-08-13 03:20:32,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:32,108 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:32,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:32,112 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-08-13 03:20:32,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,118 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:32,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:32,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:32,138 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:32,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:32,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:32,148 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 03:20:32,149 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:32,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679033930] [2021-08-13 03:20:32,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679033930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:32,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341150324] [2021-08-13 03:20:32,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:32,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-13 03:20:32,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:32,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-13 03:20:32,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:32,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:32,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:32,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:32,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:32,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:32,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:32,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:32,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:32,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:32,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:32,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:32,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:32,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:32,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:32,247 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:32,247 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:20 [2021-08-13 03:20:32,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:32,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:32,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,262 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-08-13 03:20:32,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-08-13 03:20:32,263 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-08-13 03:20:32,264 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-08-13 03:20:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:32,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:32,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,277 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-08-13 03:20:32,278 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-08-13 03:20:32,278 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-08-13 03:20:32,279 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-08-13 03:20:32,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:32,309 INFO L142 QuantifierPusher]: treesize reduction 18, result has 5.3 percent of original size [2021-08-13 03:20:32,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:32,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:32,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:32,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:32,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:32,310 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 03:20:32,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341150324] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:32,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:32,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:32,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631691102] [2021-08-13 03:20:32,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:32,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:32,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:32,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:32,312 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:32,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 550 transitions, 14750 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 03:20:32,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:32,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:32,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:32,827 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [515#true, 35#true, 740#true, 101#true, 37#true, 582#true, 39#true, 233#true, 41#true, 42#true, 10#L49true, 15#L63true, 304#true, 17#L24true, 978#true, 18#L36true, 371#true, 53#(<= i2 i1), 21#L79true, 663#true, 825#true, 443#true, 156#true, 893#true]) [2021-08-13 03:20:32,827 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:32,827 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:32,828 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:32,828 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:32,871 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][92], [35#true, 515#true, 740#true, 37#true, 101#true, 582#true, 39#true, 233#true, 41#true, 42#true, 10#L49true, 15#L63true, 304#true, 18#L36true, 978#true, 371#true, 21#L79true, 53#(<= i2 i1), 663#true, 825#true, 443#true, 156#true, 893#true, 29#L23true]) [2021-08-13 03:20:32,872 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:32,872 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:32,872 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:32,872 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:32,927 INFO L129 PetriNetUnfolder]: 1298/2094 cut-off events. [2021-08-13 03:20:32,928 INFO L130 PetriNetUnfolder]: For 3314/3500 co-relation queries the response was YES. [2021-08-13 03:20:32,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25513 conditions, 2094 events. 1298/2094 cut-off events. For 3314/3500 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 11590 event pairs, 13 based on Foata normal form. 55/2138 useless extension candidates. Maximal degree in co-relation 25360. Up to 1679 conditions per place. [2021-08-13 03:20:32,949 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 422 selfloop transitions, 140 changer transitions 0/575 dead transitions. [2021-08-13 03:20:32,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 575 transitions, 16562 flow [2021-08-13 03:20:32,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 03:20:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 03:20:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 412 transitions. [2021-08-13 03:20:32,950 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.789272030651341 [2021-08-13 03:20:32,950 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 412 transitions. [2021-08-13 03:20:32,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 412 transitions. [2021-08-13 03:20:32,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:32,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 412 transitions. [2021-08-13 03:20:32,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.88888888888889) internal successors, (412), 18 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:32,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:32,952 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:32,952 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 158 predicate places. [2021-08-13 03:20:32,952 INFO L482 AbstractCegarLoop]: Abstraction has has 190 places, 575 transitions, 16562 flow [2021-08-13 03:20:32,952 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 03:20:32,952 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:32,952 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:33,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:33,171 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:33,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:33,171 INFO L82 PathProgramCache]: Analyzing trace with hash 141412529, now seen corresponding path program 4 times [2021-08-13 03:20:33,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:33,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554984120] [2021-08-13 03:20:33,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:33,196 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:20:33,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:33,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:33,214 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-08-13 03:20:33,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:33,222 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 03:20:33,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:33,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:33,231 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 03:20:33,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:33,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554984120] [2021-08-13 03:20:33,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554984120] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:33,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252748904] [2021-08-13 03:20:33,231 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:33,261 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:20:33,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:33,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:33,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:33,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:33,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:33,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:33,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:33,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:33,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:33,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,294 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:20:33,294 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:20:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:33,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:33,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:33,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:33,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:33,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:33,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:33,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:33,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:33,310 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 17 treesize of output 9 [2021-08-13 03:20:33,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:33,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:33,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:33,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:33,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:33,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2021-08-13 03:20:33,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:33,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:33,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:33,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:33,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:33,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:33,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:33,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:33,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:33,355 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 03:20:33,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252748904] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:33,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:33,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:33,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644581098] [2021-08-13 03:20:33,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:33,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:33,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:33,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:33,356 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:33,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 575 transitions, 16562 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 03:20:33,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:33,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:33,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:33,840 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [515#true, 582#true, 10#L49true, 15#L63true, 17#L24true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 101#true, 37#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 825#true, 443#true, 893#true]) [2021-08-13 03:20:33,840 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:33,840 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:33,840 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:33,840 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:33,895 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [515#true, 582#true, 10#L49true, 15#L63true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 740#true, 101#true, 37#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 825#true, 443#true, 893#true]) [2021-08-13 03:20:33,895 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:33,895 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:33,895 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:33,895 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:33,965 INFO L129 PetriNetUnfolder]: 1465/2348 cut-off events. [2021-08-13 03:20:33,965 INFO L130 PetriNetUnfolder]: For 3426/3506 co-relation queries the response was YES. [2021-08-13 03:20:33,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30679 conditions, 2348 events. 1465/2348 cut-off events. For 3426/3506 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 13248 event pairs, 8 based on Foata normal form. 27/2364 useless extension candidates. Maximal degree in co-relation 30521. Up to 1899 conditions per place. [2021-08-13 03:20:33,988 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 476 selfloop transitions, 176 changer transitions 0/665 dead transitions. [2021-08-13 03:20:33,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 665 transitions, 20496 flow [2021-08-13 03:20:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 03:20:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 03:20:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 415 transitions. [2021-08-13 03:20:33,989 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7950191570881227 [2021-08-13 03:20:33,989 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 415 transitions. [2021-08-13 03:20:33,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 415 transitions. [2021-08-13 03:20:33,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:33,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 415 transitions. [2021-08-13 03:20:33,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.055555555555557) internal successors, (415), 18 states have internal predecessors, (415), 0 states have call successors, (0), 0 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 03:20:33,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:33,991 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:33,991 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 175 predicate places. [2021-08-13 03:20:33,991 INFO L482 AbstractCegarLoop]: Abstraction has has 207 places, 665 transitions, 20496 flow [2021-08-13 03:20:33,991 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 03:20:33,991 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:33,991 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:34,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-13 03:20:34,208 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:34,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:34,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1213169657, now seen corresponding path program 4 times [2021-08-13 03:20:34,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:34,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480024614] [2021-08-13 03:20:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:34,229 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:34,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:34,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:34,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:34,253 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:34,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:34,262 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 03:20:34,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:34,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480024614] [2021-08-13 03:20:34,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480024614] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:34,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125864277] [2021-08-13 03:20:34,262 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:34,292 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:20:34,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:34,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:34,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:34,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:34,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:34,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,325 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:20:34,326 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:20:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:34,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:34,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:34,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:34,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:34,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:34,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:34,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:34,347 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 17 treesize of output 9 [2021-08-13 03:20:34,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:34,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:34,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:34,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,352 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-08-13 03:20:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:34,352 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:34,352 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2021-08-13 03:20:34,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:34,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:34,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,363 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-08-13 03:20:34,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-08-13 03:20:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:34,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:34,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:34,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:34,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:34,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:34,391 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 03:20:34,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125864277] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:34,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:34,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:34,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115171063] [2021-08-13 03:20:34,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:34,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:34,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:34,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:34,393 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:34,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 665 transitions, 20496 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 03:20:34,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:34,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:34,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:34,942 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][97], [515#true, 582#true, 10#L49true, 15#L63true, 17#L24true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:34,943 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:34,943 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:34,943 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:34,943 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:35,023 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][97], [515#true, 582#true, 10#L49true, 15#L63true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 740#true, 37#true, 101#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:35,023 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:35,023 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:35,023 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:35,023 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:35,132 INFO L129 PetriNetUnfolder]: 1740/2779 cut-off events. [2021-08-13 03:20:35,132 INFO L130 PetriNetUnfolder]: For 3941/4021 co-relation queries the response was YES. [2021-08-13 03:20:35,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38765 conditions, 2779 events. 1740/2779 cut-off events. For 3941/4021 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 15980 event pairs, 11 based on Foata normal form. 19/2788 useless extension candidates. Maximal degree in co-relation 38596. Up to 2267 conditions per place. [2021-08-13 03:20:35,163 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 495 selfloop transitions, 264 changer transitions 0/772 dead transitions. [2021-08-13 03:20:35,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 772 transitions, 25358 flow [2021-08-13 03:20:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 03:20:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 03:20:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 422 transitions. [2021-08-13 03:20:35,164 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8084291187739464 [2021-08-13 03:20:35,164 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 422 transitions. [2021-08-13 03:20:35,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 422 transitions. [2021-08-13 03:20:35,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:35,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 422 transitions. [2021-08-13 03:20:35,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.444444444444443) internal successors, (422), 18 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:35,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:35,165 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:20:35,166 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 192 predicate places. [2021-08-13 03:20:35,166 INFO L482 AbstractCegarLoop]: Abstraction has has 224 places, 772 transitions, 25358 flow [2021-08-13 03:20:35,166 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 03:20:35,166 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:35,166 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:35,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-13 03:20:35,391 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:35,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:35,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1498364903, now seen corresponding path program 5 times [2021-08-13 03:20:35,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:35,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691094732] [2021-08-13 03:20:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:35,425 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:20:35,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:35,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,438 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-08-13 03:20:35,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:35,447 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-08-13 03:20:35,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:35,466 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 03:20:35,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:35,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:35,475 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 03:20:35,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:35,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691094732] [2021-08-13 03:20:35,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691094732] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:35,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935247983] [2021-08-13 03:20:35,476 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:35,504 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:20:35,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:35,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2021-08-13 03:20:35,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:35,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:35,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:20:35,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:35,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:35,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:35,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:35,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:35,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:35,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:35,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:35,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:35,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 03:20:35,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:35,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 03:20:35,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:35,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:35,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 03:20:35,649 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:35,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:35,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:35,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:35,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,661 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-13 03:20:35,664 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:35,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:35,668 INFO L147 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size 27 [2021-08-13 03:20:35,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:35,668 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:36 [2021-08-13 03:20:35,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-13 03:20:35,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:35,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:35,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,695 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-08-13 03:20:35,696 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-08-13 03:20:35,698 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:20:35,698 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-08-13 03:20:35,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:35,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:20:35,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:35,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:35,786 INFO L142 QuantifierPusher]: treesize reduction 21, result has 4.5 percent of original size [2021-08-13 03:20:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:35,788 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 03:20:35,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935247983] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:35,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:35,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:35,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143695995] [2021-08-13 03:20:35,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:35,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:35,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:35,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:35,789 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:35,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 772 transitions, 25358 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 03:20:35,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:35,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:35,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:36,630 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 17#L24true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 37#true, 101#true, 1063#true, 39#true, 233#true, 41#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:36,631 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:36,631 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:36,631 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:36,631 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:36,744 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 740#true, 37#true, 101#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:36,745 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:36,745 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:36,745 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:36,745 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:36,947 INFO L129 PetriNetUnfolder]: 1809/2915 cut-off events. [2021-08-13 03:20:36,947 INFO L130 PetriNetUnfolder]: For 4605/4807 co-relation queries the response was YES. [2021-08-13 03:20:36,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42744 conditions, 2915 events. 1809/2915 cut-off events. For 4605/4807 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 17083 event pairs, 8 based on Foata normal form. 25/2928 useless extension candidates. Maximal degree in co-relation 42568. Up to 2359 conditions per place. [2021-08-13 03:20:36,979 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 612 selfloop transitions, 230 changer transitions 0/855 dead transitions. [2021-08-13 03:20:36,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 855 transitions, 29774 flow [2021-08-13 03:20:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 03:20:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 03:20:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 469 transitions. [2021-08-13 03:20:36,980 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8086206896551724 [2021-08-13 03:20:36,980 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 469 transitions. [2021-08-13 03:20:36,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 469 transitions. [2021-08-13 03:20:36,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:36,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 469 transitions. [2021-08-13 03:20:36,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.45) internal successors, (469), 20 states have internal predecessors, (469), 0 states have call successors, (0), 0 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 03:20:36,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 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 03:20:36,982 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 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 03:20:36,982 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 211 predicate places. [2021-08-13 03:20:36,982 INFO L482 AbstractCegarLoop]: Abstraction has has 243 places, 855 transitions, 29774 flow [2021-08-13 03:20:36,982 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 03:20:36,982 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:36,982 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:37,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-13 03:20:37,193 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:37,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1032077979, now seen corresponding path program 6 times [2021-08-13 03:20:37,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:37,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794075862] [2021-08-13 03:20:37,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:37,210 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:20:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:37,221 INFO L142 QuantifierPusher]: treesize reduction 23, result has 43.9 percent of original size [2021-08-13 03:20:37,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:37,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-08-13 03:20:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:37,243 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 03:20:37,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:37,252 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 03:20:37,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:37,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794075862] [2021-08-13 03:20:37,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794075862] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:37,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339511909] [2021-08-13 03:20:37,252 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:37,284 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-13 03:20:37,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:37,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 03:20:37,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:37,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:37,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:37,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:37,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:37,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:37,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:37,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:37,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:37,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:37,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:37,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:37,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:37,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:37,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:12 [2021-08-13 03:20:37,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:37,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:37,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,332 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:20:37,332 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-08-13 03:20:37,332 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-08-13 03:20:37,332 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 03:20:37,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:37,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:37,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:37,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:37,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:37,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:37,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,364 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:37,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:37,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:37,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:37,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:37,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:37,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:37,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:37,369 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 03:20:37,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339511909] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:37,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:37,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-13 03:20:37,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757765692] [2021-08-13 03:20:37,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 03:20:37,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:37,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 03:20:37,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-08-13 03:20:37,370 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:37,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 855 transitions, 29774 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:37,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:37,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:37,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:37,766 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:37,766 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:37,766 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:37,766 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:37,766 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:37,874 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 1316#true, 740#true, 37#true, 101#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:37,874 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:37,874 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:37,874 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:37,874 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:38,013 INFO L129 PetriNetUnfolder]: 1841/2929 cut-off events. [2021-08-13 03:20:38,013 INFO L130 PetriNetUnfolder]: For 4502/4602 co-relation queries the response was YES. [2021-08-13 03:20:38,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45926 conditions, 2929 events. 1841/2929 cut-off events. For 4502/4602 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 16875 event pairs, 29 based on Foata normal form. 13/2930 useless extension candidates. Maximal degree in co-relation 45743. Up to 2403 conditions per place. [2021-08-13 03:20:38,044 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 672 selfloop transitions, 200 changer transitions 0/885 dead transitions. [2021-08-13 03:20:38,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 885 transitions, 32578 flow [2021-08-13 03:20:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-13 03:20:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-13 03:20:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 260 transitions. [2021-08-13 03:20:38,045 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8150470219435737 [2021-08-13 03:20:38,045 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 260 transitions. [2021-08-13 03:20:38,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 260 transitions. [2021-08-13 03:20:38,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:38,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 260 transitions. [2021-08-13 03:20:38,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 23.636363636363637) internal successors, (260), 11 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:38,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 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 03:20:38,091 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 29.0) internal successors, (348), 12 states have internal predecessors, (348), 0 states have call successors, (0), 0 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 03:20:38,091 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 221 predicate places. [2021-08-13 03:20:38,091 INFO L482 AbstractCegarLoop]: Abstraction has has 253 places, 885 transitions, 32578 flow [2021-08-13 03:20:38,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:38,091 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:38,091 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:38,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:38,292 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:38,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:38,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1596708313, now seen corresponding path program 5 times [2021-08-13 03:20:38,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:38,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955987342] [2021-08-13 03:20:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:38,314 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:38,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:38,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:38,323 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:38,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:38,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:38,354 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:38,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:38,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:38,363 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 03:20:38,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:38,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955987342] [2021-08-13 03:20:38,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955987342] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:38,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024795901] [2021-08-13 03:20:38,363 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:38,390 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-13 03:20:38,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:38,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:38,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:38,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:38,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:38,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:38,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:38,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:38,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:38,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:38,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:38,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:38,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:38,436 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 7 [2021-08-13 03:20:38,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:38,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:38,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:38,441 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-08-13 03:20:38,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:38,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:38,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:38,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,452 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-08-13 03:20:38,452 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-08-13 03:20:38,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:38,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:38,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,461 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-08-13 03:20:38,461 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-08-13 03:20:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:38,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:38,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:38,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:38,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:38,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:38,482 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 03:20:38,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024795901] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:38,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:38,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:38,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893187274] [2021-08-13 03:20:38,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:38,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:38,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:38,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:38,483 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:38,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 885 transitions, 32578 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 03:20:38,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:38,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:38,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:39,047 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 1386#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:39,048 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:39,048 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:39,048 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:39,048 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:39,180 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 1386#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 443#true, 893#true]) [2021-08-13 03:20:39,180 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:39,180 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:39,180 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:39,180 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:39,368 INFO L129 PetriNetUnfolder]: 2053/3297 cut-off events. [2021-08-13 03:20:39,368 INFO L130 PetriNetUnfolder]: For 5650/6032 co-relation queries the response was YES. [2021-08-13 03:20:39,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53923 conditions, 3297 events. 2053/3297 cut-off events. For 5650/6032 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 19631 event pairs, 8 based on Foata normal form. 33/3318 useless extension candidates. Maximal degree in co-relation 53733. Up to 2683 conditions per place. [2021-08-13 03:20:39,473 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 701 selfloop transitions, 260 changer transitions 0/974 dead transitions. [2021-08-13 03:20:39,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 974 transitions, 37804 flow [2021-08-13 03:20:39,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 03:20:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 03:20:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 398 transitions. [2021-08-13 03:20:39,475 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8073022312373225 [2021-08-13 03:20:39,475 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 398 transitions. [2021-08-13 03:20:39,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 398 transitions. [2021-08-13 03:20:39,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:39,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 398 transitions. [2021-08-13 03:20:39,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 23.41176470588235) internal successors, (398), 17 states have internal predecessors, (398), 0 states have call successors, (0), 0 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 03:20:39,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:39,476 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:39,476 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 237 predicate places. [2021-08-13 03:20:39,476 INFO L482 AbstractCegarLoop]: Abstraction has has 269 places, 974 transitions, 37804 flow [2021-08-13 03:20:39,476 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 03:20:39,476 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:39,477 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:39,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:39,681 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:39,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:39,681 INFO L82 PathProgramCache]: Analyzing trace with hash 359409779, now seen corresponding path program 6 times [2021-08-13 03:20:39,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:39,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79946093] [2021-08-13 03:20:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:39,692 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:39,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:39,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:39,700 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:39,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:39,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:39,720 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:39,728 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 03:20:39,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:39,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79946093] [2021-08-13 03:20:39,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79946093] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:39,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772333944] [2021-08-13 03:20:39,728 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:39,769 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-13 03:20:39,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:39,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 03:20:39,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:39,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:39,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:39,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:39,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:39,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:39,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:39,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:39,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:39,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:39,792 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:39,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:39,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:39,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-08-13 03:20:39,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:39,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:39,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:39,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:20:39,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:39,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,810 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-13 03:20:39,811 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:39,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:39,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:39,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:39,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:39,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:39,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:39,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:39,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,837 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:39,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:39,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:39,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:39,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:39,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:39,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:39,843 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 03:20:39,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772333944] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:39,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:39,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-08-13 03:20:39,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607888511] [2021-08-13 03:20:39,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-13 03:20:39,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:39,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-13 03:20:39,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-13 03:20:39,844 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:39,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 974 transitions, 37804 flow. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 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 03:20:39,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:39,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:39,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:40,290 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 893#true]) [2021-08-13 03:20:40,290 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:40,290 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:40,290 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:40,290 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:40,454 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][62], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 893#true]) [2021-08-13 03:20:40,454 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:40,454 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:40,454 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:40,454 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:40,760 INFO L129 PetriNetUnfolder]: 2087/3358 cut-off events. [2021-08-13 03:20:40,760 INFO L130 PetriNetUnfolder]: For 7036/7605 co-relation queries the response was YES. [2021-08-13 03:20:40,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57657 conditions, 3358 events. 2087/3358 cut-off events. For 7036/7605 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 20110 event pairs, 15 based on Foata normal form. 25/3369 useless extension candidates. Maximal degree in co-relation 57460. Up to 2731 conditions per place. [2021-08-13 03:20:40,807 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 782 selfloop transitions, 201 changer transitions 0/996 dead transitions. [2021-08-13 03:20:40,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 996 transitions, 40640 flow [2021-08-13 03:20:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-13 03:20:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-13 03:20:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2021-08-13 03:20:40,808 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8318965517241379 [2021-08-13 03:20:40,808 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 193 transitions. [2021-08-13 03:20:40,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 193 transitions. [2021-08-13 03:20:40,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:40,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 193 transitions. [2021-08-13 03:20:40,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.125) internal successors, (193), 8 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 03:20:40,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 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 03:20:40,809 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 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 03:20:40,809 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 244 predicate places. [2021-08-13 03:20:40,809 INFO L482 AbstractCegarLoop]: Abstraction has has 276 places, 996 transitions, 40640 flow [2021-08-13 03:20:40,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 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 03:20:40,809 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:40,809 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:41,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-08-13 03:20:41,010 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:41,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:41,010 INFO L82 PathProgramCache]: Analyzing trace with hash 975570061, now seen corresponding path program 4 times [2021-08-13 03:20:41,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:41,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088413765] [2021-08-13 03:20:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:41,029 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:41,039 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:41,059 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:41,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:41,069 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 03:20:41,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:41,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088413765] [2021-08-13 03:20:41,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088413765] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:41,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308375689] [2021-08-13 03:20:41,069 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:41,117 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:20:41,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:41,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:41,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:41,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:41,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:41,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:41,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:41,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:41,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:41,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:41,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:41,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:41,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:41,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:41,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:41,162 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 7 [2021-08-13 03:20:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:41,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:41,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:41,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-08-13 03:20:41,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:41,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:41,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:41,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,178 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-08-13 03:20:41,179 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-08-13 03:20:41,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:41,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:41,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:41,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:41,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:41,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:41,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:41,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:41,212 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 03:20:41,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308375689] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:41,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:41,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:41,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144201301] [2021-08-13 03:20:41,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:41,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:41,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:41,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:41,213 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:41,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 996 transitions, 40640 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 03:20:41,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:41,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:41,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:41,931 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 17#L24true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 1316#true, 37#true, 101#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:41,931 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:41,931 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:41,931 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:41,931 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:42,144 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [515#true, 582#true, 1225#true, 10#L49true, 15#L63true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 740#true, 1316#true, 37#true, 101#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:42,144 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:42,144 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:42,144 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:42,144 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:42,554 INFO L129 PetriNetUnfolder]: 2295/3707 cut-off events. [2021-08-13 03:20:42,554 INFO L130 PetriNetUnfolder]: For 6734/7174 co-relation queries the response was YES. [2021-08-13 03:20:42,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66444 conditions, 3707 events. 2295/3707 cut-off events. For 6734/7174 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 22667 event pairs, 7 based on Foata normal form. 33/3728 useless extension candidates. Maximal degree in co-relation 66234. Up to 3007 conditions per place. [2021-08-13 03:20:42,597 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 807 selfloop transitions, 256 changer transitions 0/1076 dead transitions. [2021-08-13 03:20:42,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 1076 transitions, 46062 flow [2021-08-13 03:20:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 03:20:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 03:20:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 398 transitions. [2021-08-13 03:20:42,599 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8073022312373225 [2021-08-13 03:20:42,599 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 398 transitions. [2021-08-13 03:20:42,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 398 transitions. [2021-08-13 03:20:42,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:42,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 398 transitions. [2021-08-13 03:20:42,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 23.41176470588235) internal successors, (398), 17 states have internal predecessors, (398), 0 states have call successors, (0), 0 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 03:20:42,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:42,600 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:42,601 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 260 predicate places. [2021-08-13 03:20:42,601 INFO L482 AbstractCegarLoop]: Abstraction has has 292 places, 1076 transitions, 46062 flow [2021-08-13 03:20:42,601 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 03:20:42,601 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:42,601 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:42,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-08-13 03:20:42,805 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:42,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:42,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1691453381, now seen corresponding path program 5 times [2021-08-13 03:20:42,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:42,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399665467] [2021-08-13 03:20:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:42,839 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:42,848 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:42,868 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:42,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:42,877 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 03:20:42,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:42,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399665467] [2021-08-13 03:20:42,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399665467] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:42,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330469463] [2021-08-13 03:20:42,877 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:42,902 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:20:42,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:42,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2021-08-13 03:20:42,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:42,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:20:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:42,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:42,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:42,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:42,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:42,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:42,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:42,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 03:20:42,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 03:20:42,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:42,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:42,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:42,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:42,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:42,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 03:20:42,987 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-08-13 03:20:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:42,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:42,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:43,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,003 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-13 03:20:43,003 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:43,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:43,005 INFO L147 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size 27 [2021-08-13 03:20:43,005 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:43,005 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:36 [2021-08-13 03:20:43,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-08-13 03:20:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:20:43,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:43,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:43,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:43,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:43,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,055 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-08-13 03:20:43,056 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:20:43,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:43,091 INFO L142 QuantifierPusher]: treesize reduction 21, result has 4.5 percent of original size [2021-08-13 03:20:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:43,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:43,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:43,093 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 03:20:43,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330469463] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:43,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:43,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:43,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588440906] [2021-08-13 03:20:43,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:43,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:43,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:43,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:43,094 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:43,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 1076 transitions, 46062 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 03:20:43,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:43,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:43,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:44,096 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][60], [515#true, 582#true, 1225#true, 1610#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 42#true, 1386#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:44,096 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:44,097 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:44,097 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:44,097 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:44,338 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][60], [515#true, 582#true, 1225#true, 10#L49true, 1610#true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 740#true, 1316#true, 101#true, 37#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:44,339 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:44,339 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:44,339 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:44,339 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:44,769 INFO L129 PetriNetUnfolder]: 2342/3767 cut-off events. [2021-08-13 03:20:44,769 INFO L130 PetriNetUnfolder]: For 8414/9093 co-relation queries the response was YES. [2021-08-13 03:20:44,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70936 conditions, 3767 events. 2342/3767 cut-off events. For 8414/9093 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 22990 event pairs, 11 based on Foata normal form. 73/3827 useless extension candidates. Maximal degree in co-relation 70723. Up to 3071 conditions per place. [2021-08-13 03:20:44,813 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 896 selfloop transitions, 226 changer transitions 0/1135 dead transitions. [2021-08-13 03:20:44,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 1135 transitions, 50846 flow [2021-08-13 03:20:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 03:20:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 03:20:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 466 transitions. [2021-08-13 03:20:44,814 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.803448275862069 [2021-08-13 03:20:44,814 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 466 transitions. [2021-08-13 03:20:44,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 466 transitions. [2021-08-13 03:20:44,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:44,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 466 transitions. [2021-08-13 03:20:44,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.3) internal successors, (466), 20 states have internal predecessors, (466), 0 states have call successors, (0), 0 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 03:20:44,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 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 03:20:44,816 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 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 03:20:44,816 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 279 predicate places. [2021-08-13 03:20:44,816 INFO L482 AbstractCegarLoop]: Abstraction has has 311 places, 1135 transitions, 50846 flow [2021-08-13 03:20:44,816 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 03:20:44,816 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:44,817 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:45,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:45,017 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:45,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:45,017 INFO L82 PathProgramCache]: Analyzing trace with hash -237710741, now seen corresponding path program 4 times [2021-08-13 03:20:45,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:45,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858596745] [2021-08-13 03:20:45,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:45,032 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:45,042 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:45,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:45,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:45,060 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:45,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:45,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:45,070 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 03:20:45,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:45,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858596745] [2021-08-13 03:20:45,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858596745] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:45,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206884333] [2021-08-13 03:20:45,071 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:45,130 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:20:45,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:45,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:45,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:45,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:45,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:45,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:45,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:45,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:45,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:45,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:45,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:45,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:45,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:45,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:45,163 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 7 [2021-08-13 03:20:45,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:45,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:45,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:45,167 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-08-13 03:20:45,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:45,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,177 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-08-13 03:20:45,177 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-08-13 03:20:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:45,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:45,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:45,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:45,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:45,207 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 03:20:45,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206884333] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:45,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:45,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:45,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640807077] [2021-08-13 03:20:45,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:45,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:45,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:45,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:45,208 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:45,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 1135 transitions, 50846 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 03:20:45,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:45,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:45,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:46,039 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][96], [515#true, 582#true, 1225#true, 10#L49true, 1610#true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:46,039 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:46,039 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:46,039 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:46,039 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:46,408 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][96], [515#true, 582#true, 1225#true, 10#L49true, 1610#true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 740#true, 1316#true, 37#true, 101#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 42#true, 304#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:46,408 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:46,408 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:46,408 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:46,408 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:46,844 INFO L129 PetriNetUnfolder]: 2553/4094 cut-off events. [2021-08-13 03:20:46,844 INFO L130 PetriNetUnfolder]: For 7789/8137 co-relation queries the response was YES. [2021-08-13 03:20:46,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80666 conditions, 4094 events. 2553/4094 cut-off events. For 7789/8137 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 25264 event pairs, 19 based on Foata normal form. 33/4116 useless extension candidates. Maximal degree in co-relation 80442. Up to 3351 conditions per place. [2021-08-13 03:20:46,894 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 926 selfloop transitions, 289 changer transitions 0/1228 dead transitions. [2021-08-13 03:20:46,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 1228 transitions, 57472 flow [2021-08-13 03:20:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 03:20:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 03:20:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 398 transitions. [2021-08-13 03:20:46,897 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8073022312373225 [2021-08-13 03:20:46,897 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 398 transitions. [2021-08-13 03:20:46,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 398 transitions. [2021-08-13 03:20:46,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:46,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 398 transitions. [2021-08-13 03:20:46,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 23.41176470588235) internal successors, (398), 17 states have internal predecessors, (398), 0 states have call successors, (0), 0 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 03:20:46,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:46,898 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:46,899 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 295 predicate places. [2021-08-13 03:20:46,899 INFO L482 AbstractCegarLoop]: Abstraction has has 327 places, 1228 transitions, 57472 flow [2021-08-13 03:20:46,899 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 03:20:46,899 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:46,899 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:47,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-08-13 03:20:47,113 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:47,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:47,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2135686355, now seen corresponding path program 5 times [2021-08-13 03:20:47,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:47,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275629083] [2021-08-13 03:20:47,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:47,136 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:47,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:47,145 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:20:47,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:47,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:47,164 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:47,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:47,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:47,173 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 03:20:47,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:47,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275629083] [2021-08-13 03:20:47,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275629083] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:47,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871156844] [2021-08-13 03:20:47,174 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:47,243 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-13 03:20:47,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:47,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-13 03:20:47,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:47,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:47,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:47,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:47,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:47,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:20:47,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:20:47,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:47,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:47,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:47,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:47,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:20:47,280 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 7 [2021-08-13 03:20:47,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:20:47,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:47,285 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:47,285 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-08-13 03:20:47,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:47,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:47,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:47,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:47,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,304 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-08-13 03:20:47,304 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-08-13 03:20:47,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:47,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:47,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:47,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:47,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:47,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:47,324 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 03:20:47,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871156844] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:47,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:47,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-08-13 03:20:47,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792323650] [2021-08-13 03:20:47,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 03:20:47,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:47,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 03:20:47,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-08-13 03:20:47,325 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:47,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 1228 transitions, 57472 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 03:20:47,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:47,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:47,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:48,320 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][97], [515#true, 582#true, 1225#true, 10#L49true, 1610#true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 35#true, 1699#true, 740#true, 1316#true, 37#true, 101#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:48,320 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:48,320 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:48,320 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:48,320 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:48,713 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][97], [515#true, 582#true, 1225#true, 10#L49true, 1610#true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:48,714 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:48,714 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:48,714 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:48,714 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:49,368 INFO L129 PetriNetUnfolder]: 2726/4348 cut-off events. [2021-08-13 03:20:49,368 INFO L130 PetriNetUnfolder]: For 8384/8744 co-relation queries the response was YES. [2021-08-13 03:20:49,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89749 conditions, 4348 events. 2726/4348 cut-off events. For 8384/8744 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 26727 event pairs, 15 based on Foata normal form. 33/4369 useless extension candidates. Maximal degree in co-relation 89518. Up to 3583 conditions per place. [2021-08-13 03:20:49,439 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 997 selfloop transitions, 292 changer transitions 0/1302 dead transitions. [2021-08-13 03:20:49,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 1302 transitions, 63546 flow [2021-08-13 03:20:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 03:20:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 03:20:49,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 398 transitions. [2021-08-13 03:20:49,441 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8073022312373225 [2021-08-13 03:20:49,441 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 398 transitions. [2021-08-13 03:20:49,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 398 transitions. [2021-08-13 03:20:49,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:49,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 398 transitions. [2021-08-13 03:20:49,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 23.41176470588235) internal successors, (398), 17 states have internal predecessors, (398), 0 states have call successors, (0), 0 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 03:20:49,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:49,442 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:49,442 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 311 predicate places. [2021-08-13 03:20:49,442 INFO L482 AbstractCegarLoop]: Abstraction has has 343 places, 1302 transitions, 63546 flow [2021-08-13 03:20:49,443 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 03:20:49,443 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:49,443 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:49,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:49,657 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:49,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:49,657 INFO L82 PathProgramCache]: Analyzing trace with hash -862976259, now seen corresponding path program 6 times [2021-08-13 03:20:49,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:49,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276737241] [2021-08-13 03:20:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:49,666 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:49,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:49,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:49,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:49,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,690 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:49,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:49,699 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 03:20:49,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:49,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276737241] [2021-08-13 03:20:49,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276737241] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:49,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354374311] [2021-08-13 03:20:49,699 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:49,726 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-13 03:20:49,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:49,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-13 03:20:49,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:49,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:49,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:49,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:49,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:49,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:49,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:20:49,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:20:49,762 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-08-13 03:20:49,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,764 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-13 03:20:49,764 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:49,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,771 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:49,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,776 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-08-13 03:20:49,776 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2021-08-13 03:20:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:49,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:49,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:49,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,812 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:49,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:49,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:49,816 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 03:20:49,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354374311] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:49,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:49,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-13 03:20:49,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874284621] [2021-08-13 03:20:49,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 03:20:49,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:49,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 03:20:49,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-13 03:20:49,817 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:49,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 1302 transitions, 63546 flow. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:49,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:49,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:49,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:50,729 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 515#true, 582#true, 1225#true, 1610#true, 10#L49true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:50,730 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:50,730 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:50,730 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:50,730 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:51,128 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 515#true, 582#true, 1225#true, 1610#true, 10#L49true, 15#L63true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 740#true, 1316#true, 37#true, 101#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:51,128 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:51,128 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:51,128 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:51,128 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:51,781 INFO L129 PetriNetUnfolder]: 2805/4470 cut-off events. [2021-08-13 03:20:51,782 INFO L130 PetriNetUnfolder]: For 7812/7972 co-relation queries the response was YES. [2021-08-13 03:20:51,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96045 conditions, 4470 events. 2805/4470 cut-off events. For 7812/7972 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 27567 event pairs, 27 based on Foata normal form. 13/4470 useless extension candidates. Maximal degree in co-relation 95805. Up to 3687 conditions per place. [2021-08-13 03:20:51,841 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1046 selfloop transitions, 307 changer transitions 0/1366 dead transitions. [2021-08-13 03:20:51,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1366 transitions, 69412 flow [2021-08-13 03:20:51,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-13 03:20:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-13 03:20:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 194 transitions. [2021-08-13 03:20:51,842 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8362068965517241 [2021-08-13 03:20:51,842 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 194 transitions. [2021-08-13 03:20:51,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 194 transitions. [2021-08-13 03:20:51,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:51,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 194 transitions. [2021-08-13 03:20:51,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:51,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 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 03:20:51,843 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 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 03:20:51,843 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 318 predicate places. [2021-08-13 03:20:51,843 INFO L482 AbstractCegarLoop]: Abstraction has has 350 places, 1366 transitions, 69412 flow [2021-08-13 03:20:51,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:51,843 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:51,843 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:20:52,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-08-13 03:20:52,057 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:52,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:52,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1122914559, now seen corresponding path program 6 times [2021-08-13 03:20:52,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:52,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103529503] [2021-08-13 03:20:52,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:52,071 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:52,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:52,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:20:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:52,097 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-08-13 03:20:52,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:52,106 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 03:20:52,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:52,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103529503] [2021-08-13 03:20:52,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103529503] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:52,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277571828] [2021-08-13 03:20:52,106 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:52,131 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-13 03:20:52,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:20:52,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-13 03:20:52,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:52,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:52,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:52,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:52,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:52,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:52,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,160 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-08-13 03:20:52,160 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-08-13 03:20:52,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:52,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:52,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:52,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:52,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:52,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:52,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:52,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:52,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:20:52,199 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2021-08-13 03:20:52,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,200 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-08-13 03:20:52,200 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 03:20:52,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:52,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-13 03:20:52,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:20:52,206 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:14 [2021-08-13 03:20:52,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:52,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:52,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:52,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,267 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:20:52,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:20:52,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:52,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:20:52,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:52,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:52,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:52,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:52,285 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 03:20:52,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277571828] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:52,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:52,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-13 03:20:52,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377165610] [2021-08-13 03:20:52,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 03:20:52,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:52,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 03:20:52,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-08-13 03:20:52,287 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:20:52,287 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 1366 transitions, 69412 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:52,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:52,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:20:52,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:53,427 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 15#L63true, 17#L24true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:53,427 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 03:20:53,427 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:53,427 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:53,427 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:53,903 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:53,903 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:20:53,904 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:20:53,904 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:53,904 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:54,739 INFO L129 PetriNetUnfolder]: 2825/4499 cut-off events. [2021-08-13 03:20:54,739 INFO L130 PetriNetUnfolder]: For 7903/8113 co-relation queries the response was YES. [2021-08-13 03:20:54,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100524 conditions, 4499 events. 2825/4499 cut-off events. For 7903/8113 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 27859 event pairs, 17 based on Foata normal form. 6/4494 useless extension candidates. Maximal degree in co-relation 100277. Up to 3715 conditions per place. [2021-08-13 03:20:54,801 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1058 selfloop transitions, 312 changer transitions 0/1383 dead transitions. [2021-08-13 03:20:54,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 1383 transitions, 73024 flow [2021-08-13 03:20:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-13 03:20:54,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-13 03:20:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 194 transitions. [2021-08-13 03:20:54,802 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8362068965517241 [2021-08-13 03:20:54,802 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 194 transitions. [2021-08-13 03:20:54,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 194 transitions. [2021-08-13 03:20:54,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:54,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 194 transitions. [2021-08-13 03:20:54,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:54,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 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 03:20:54,803 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 0 states have call successors, (0), 0 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 03:20:54,803 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 325 predicate places. [2021-08-13 03:20:54,803 INFO L482 AbstractCegarLoop]: Abstraction has has 357 places, 1383 transitions, 73024 flow [2021-08-13 03:20:54,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:54,803 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:54,803 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 03:20:55,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:55,005 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:55,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:55,006 INFO L82 PathProgramCache]: Analyzing trace with hash 2007614616, now seen corresponding path program 1 times [2021-08-13 03:20:55,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:55,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79822131] [2021-08-13 03:20:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:55,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:55,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 03:20:55,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:55,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79822131] [2021-08-13 03:20:55,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79822131] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:55,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049867065] [2021-08-13 03:20:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:55,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-13 03:20:55,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:55,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:55,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:55,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:55,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:55,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:55,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:55,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:55,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:55,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:55,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:55,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:55,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:55,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:55,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:55,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:55,095 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 03:20:55,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:55,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 03:20:55,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049867065] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:55,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:20:55,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-08-13 03:20:55,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737448472] [2021-08-13 03:20:55,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 03:20:55,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:55,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 03:20:55,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-13 03:20:55,098 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-08-13 03:20:55,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 1383 transitions, 73024 flow. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 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 03:20:55,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:55,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-08-13 03:20:55,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:20:57,134 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:57,135 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:20:57,135 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:57,135 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:20:57,135 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:20:57,474 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 15#L63true, 18#L36true, 978#true, 21#L79true, 663#true, 156#true, 29#L23true, 35#true, 1699#true, 740#true, 1316#true, 37#true, 101#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:20:57,474 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:20:57,474 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:20:57,474 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:57,474 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:20:57,832 INFO L129 PetriNetUnfolder]: 3349/5346 cut-off events. [2021-08-13 03:20:57,832 INFO L130 PetriNetUnfolder]: For 14781/15381 co-relation queries the response was YES. [2021-08-13 03:20:57,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120959 conditions, 5346 events. 3349/5346 cut-off events. For 14781/15381 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 33924 event pairs, 90 based on Foata normal form. 20/5353 useless extension candidates. Maximal degree in co-relation 120666. Up to 4400 conditions per place. [2021-08-13 03:20:57,906 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 597 selfloop transitions, 380 changer transitions 0/1497 dead transitions. [2021-08-13 03:20:57,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 1497 transitions, 81136 flow [2021-08-13 03:20:57,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-13 03:20:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-13 03:20:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2021-08-13 03:20:57,907 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9022988505747126 [2021-08-13 03:20:57,907 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 157 transitions. [2021-08-13 03:20:57,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 157 transitions. [2021-08-13 03:20:57,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:20:57,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 157 transitions. [2021-08-13 03:20:57,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:20:57,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 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 03:20:57,908 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 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 03:20:57,908 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 330 predicate places. [2021-08-13 03:20:57,908 INFO L482 AbstractCegarLoop]: Abstraction has has 362 places, 1497 transitions, 81136 flow [2021-08-13 03:20:57,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 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 03:20:57,908 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:20:57,908 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 03:20:58,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-08-13 03:20:58,109 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:20:58,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:20:58,109 INFO L82 PathProgramCache]: Analyzing trace with hash 704869250, now seen corresponding path program 1 times [2021-08-13 03:20:58,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:20:58,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050159059] [2021-08-13 03:20:58,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:20:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:58,122 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 03:20:58,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:58,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 03:20:58,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:20:58,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:58,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:58,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 03:20:58,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:58,144 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 03:20:58,145 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:20:58,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050159059] [2021-08-13 03:20:58,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050159059] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:20:58,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826783560] [2021-08-13 03:20:58,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:20:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:20:58,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-13 03:20:58,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:20:58,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:58,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:58,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:20:58,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:20:58,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:58,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:58,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:58,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:58,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:58,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:58,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:58,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:20:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:20:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:20:58,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:58,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:58,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:20:58,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:20:58,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:20:58,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:20:58,224 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 03:20:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:58,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:58,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:58,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:20:58,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:20:58,226 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 03:20:58,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826783560] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:20:58,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 03:20:58,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2021-08-13 03:20:58,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874745332] [2021-08-13 03:20:58,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:20:58,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:20:58,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:20:58,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-08-13 03:20:58,227 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-08-13 03:20:58,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 1497 transitions, 81136 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 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 03:20:58,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:20:58,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-08-13 03:20:58,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:00,600 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:00,600 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:00,600 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:00,600 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:00,600 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:01,235 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 978#true, 18#L36true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 42#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:01,235 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:01,235 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:01,235 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:01,235 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:01,635 INFO L129 PetriNetUnfolder]: 3980/6283 cut-off events. [2021-08-13 03:21:01,635 INFO L130 PetriNetUnfolder]: For 20248/20449 co-relation queries the response was YES. [2021-08-13 03:21:01,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145716 conditions, 6283 events. 3980/6283 cut-off events. For 20248/20449 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 40179 event pairs, 94 based on Foata normal form. 21/6292 useless extension candidates. Maximal degree in co-relation 145347. Up to 5234 conditions per place. [2021-08-13 03:21:01,726 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 291 selfloop transitions, 854 changer transitions 0/1665 dead transitions. [2021-08-13 03:21:01,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 1665 transitions, 92838 flow [2021-08-13 03:21:01,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:21:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:21:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-08-13 03:21:01,727 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.903448275862069 [2021-08-13 03:21:01,727 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-08-13 03:21:01,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-08-13 03:21:01,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:01,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-08-13 03:21:01,728 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 03:21:01,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 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 03:21:01,728 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 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 03:21:01,728 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 334 predicate places. [2021-08-13 03:21:01,728 INFO L482 AbstractCegarLoop]: Abstraction has has 366 places, 1665 transitions, 92838 flow [2021-08-13 03:21:01,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 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 03:21:01,728 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:01,728 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 03:21:01,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:01,941 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:01,941 INFO L82 PathProgramCache]: Analyzing trace with hash 443128082, now seen corresponding path program 2 times [2021-08-13 03:21:01,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:01,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419498346] [2021-08-13 03:21:01,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:01,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:01,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:21:01,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:01,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:01,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:01,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:01,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:01,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:01,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:01,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:01,964 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 03:21:01,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:01,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419498346] [2021-08-13 03:21:01,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419498346] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:01,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458185112] [2021-08-13 03:21:01,964 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:02,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:21:02,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:21:02,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-13 03:21:02,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:02,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:21:02,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:02,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:21:02,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:21:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:02,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:21:02,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:21:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:02,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:21:02,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:02,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:02,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:21:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:02,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:02,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:02,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:21:02,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:02,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:02,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:21:02,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:02,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:02,039 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 03:21:02,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:02,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:02,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:02,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:02,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:02,041 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 03:21:02,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458185112] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:21:02,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 03:21:02,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-08-13 03:21:02,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146593937] [2021-08-13 03:21:02,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:21:02,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:02,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:21:02,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-13 03:21:02,042 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-08-13 03:21:02,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 1665 transitions, 92838 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 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 03:21:02,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:02,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-08-13 03:21:02,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:04,834 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 2134#(<= i2 i1), 663#true, 156#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 42#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:04,835 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:04,835 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:04,835 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:04,835 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:05,521 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][95], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 978#true, 18#L36true, 21#L79true, 2134#(<= i2 i1), 663#true, 156#true, 29#L23true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 1386#true, 42#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:05,521 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:05,521 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:05,521 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:05,521 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:06,305 INFO L129 PetriNetUnfolder]: 4617/7267 cut-off events. [2021-08-13 03:21:06,305 INFO L130 PetriNetUnfolder]: For 34311/34799 co-relation queries the response was YES. [2021-08-13 03:21:06,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171726 conditions, 7267 events. 4617/7267 cut-off events. For 34311/34799 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 47058 event pairs, 157 based on Foata normal form. 12/7261 useless extension candidates. Maximal degree in co-relation 171205. Up to 6070 conditions per place. [2021-08-13 03:21:06,438 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 400 selfloop transitions, 1011 changer transitions 0/1931 dead transitions. [2021-08-13 03:21:06,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 1931 transitions, 111096 flow [2021-08-13 03:21:06,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:21:06,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:21:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-08-13 03:21:06,439 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.903448275862069 [2021-08-13 03:21:06,439 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-08-13 03:21:06,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-08-13 03:21:06,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:06,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-08-13 03:21:06,439 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 03:21:06,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 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 03:21:06,440 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 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 03:21:06,440 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 338 predicate places. [2021-08-13 03:21:06,440 INFO L482 AbstractCegarLoop]: Abstraction has has 370 places, 1931 transitions, 111096 flow [2021-08-13 03:21:06,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 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 03:21:06,440 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:06,440 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 03:21:06,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-08-13 03:21:06,640 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:06,641 INFO L82 PathProgramCache]: Analyzing trace with hash -266942678, now seen corresponding path program 1 times [2021-08-13 03:21:06,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:06,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577814684] [2021-08-13 03:21:06,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:06,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:21:06,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:06,661 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 03:21:06,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:06,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577814684] [2021-08-13 03:21:06,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577814684] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:06,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031751840] [2021-08-13 03:21:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:06,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-13 03:21:06,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:06,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:21:06,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:06,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:21:06,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:21:06,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:21:06,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:06,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:21:06,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:06,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:06,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:21:06,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:06,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:21:06,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:21:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:21:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:06,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:21:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:06,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:21:06,737 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-08-13 03:21:06,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:06,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:06,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:06,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:06,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 03:21:06,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031751840] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:06,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:21:06,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-08-13 03:21:06,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861195709] [2021-08-13 03:21:06,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 03:21:06,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:06,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 03:21:06,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-13 03:21:06,740 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 29 [2021-08-13 03:21:06,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 1931 transitions, 111096 flow. Second operand has 8 states, 8 states have (on average 23.25) internal successors, (186), 8 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 03:21:06,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:06,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 29 [2021-08-13 03:21:06,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:09,995 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 2059#true, 1995#(<= (+ i2 1) i1), 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 156#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:09,995 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:09,995 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:09,995 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:09,995 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:10,971 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][94], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 18#L36true, 978#true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 156#true, 29#L23true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:10,972 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:10,972 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:10,972 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:10,972 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:12,089 INFO L129 PetriNetUnfolder]: 4838/7599 cut-off events. [2021-08-13 03:21:12,089 INFO L130 PetriNetUnfolder]: For 46217/46823 co-relation queries the response was YES. [2021-08-13 03:21:12,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182855 conditions, 7599 events. 4838/7599 cut-off events. For 46217/46823 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 49392 event pairs, 178 based on Foata normal form. 21/7600 useless extension candidates. Maximal degree in co-relation 182314. Up to 6358 conditions per place. [2021-08-13 03:21:12,203 INFO L132 encePairwiseOnDemand]: 23/29 looper letters, 829 selfloop transitions, 594 changer transitions 0/1943 dead transitions. [2021-08-13 03:21:12,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 1943 transitions, 114662 flow [2021-08-13 03:21:12,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-13 03:21:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-13 03:21:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions. [2021-08-13 03:21:12,204 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.896551724137931 [2021-08-13 03:21:12,204 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 156 transitions. [2021-08-13 03:21:12,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 156 transitions. [2021-08-13 03:21:12,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:12,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 156 transitions. [2021-08-13 03:21:12,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:21:12,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 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 03:21:12,204 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 0 states have call successors, (0), 0 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 03:21:12,205 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 343 predicate places. [2021-08-13 03:21:12,205 INFO L482 AbstractCegarLoop]: Abstraction has has 375 places, 1943 transitions, 114662 flow [2021-08-13 03:21:12,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 23.25) internal successors, (186), 8 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 03:21:12,205 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:12,205 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:21:12,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:12,410 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:12,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:12,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1090760193, now seen corresponding path program 1 times [2021-08-13 03:21:12,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:12,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976064468] [2021-08-13 03:21:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:12,440 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:21:12,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,451 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:21:12,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:12,459 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-08-13 03:21:12,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:12,467 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-13 03:21:12,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:12,476 INFO L142 QuantifierPusher]: treesize reduction 32, result has 40.7 percent of original size [2021-08-13 03:21:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:12,487 INFO L142 QuantifierPusher]: treesize reduction 32, result has 43.9 percent of original size [2021-08-13 03:21:12,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:12,500 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-08-13 03:21:12,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:12,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:12,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:21:12,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:12,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:12,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:12,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976064468] [2021-08-13 03:21:12,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976064468] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:12,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783344896] [2021-08-13 03:21:12,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:12,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:21:12,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:12,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,579 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:21:12,580 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-08-13 03:21:12,580 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-08-13 03:21:12,580 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-08-13 03:21:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:12,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:12,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,592 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-08-13 03:21:12,592 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-08-13 03:21:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,622 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:21:12,622 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-08-13 03:21:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:12,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:12,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,641 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-08-13 03:21:12,641 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-08-13 03:21:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:12,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:12,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,657 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-08-13 03:21:12,657 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:21:12,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:12,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:12,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:12,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:12,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:12,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:12,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:12,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:12,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:12,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:21:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,690 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:21:12,691 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:21:12,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:12,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:21:12,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:12,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:21:12,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:21:12,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:12,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:12,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,727 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:21:12,728 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:21:12,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:12,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:12,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:21:12,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,730 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:21:12,731 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:12,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,737 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-08-13 03:21:12,743 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-08-13 03:21:12,744 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-08-13 03:21:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:12,806 INFO L142 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-08-13 03:21:12,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:12,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:12,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:12,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:12,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:12,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783344896] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:12,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:21:12,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:21:12,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032667402] [2021-08-13 03:21:12,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:21:12,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:12,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:21:12,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:21:12,808 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:21:12,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 1943 transitions, 114662 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:12,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:12,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:21:12,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:13,672 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-08-13 03:21:17,870 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][97], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 2059#true, 1995#(<= (+ i2 1) i1), 15#L63true, 17#L24true, 978#true, 18#L36true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 156#true, 2270#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 42#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:17,870 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:17,870 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:17,870 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:17,870 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:18,844 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][97], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 2059#true, 1995#(<= (+ i2 1) i1), 15#L63true, 978#true, 18#L36true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 156#true, 29#L23true, 2270#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 42#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:18,844 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:18,844 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:18,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:18,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:20,081 INFO L129 PetriNetUnfolder]: 4992/7828 cut-off events. [2021-08-13 03:21:20,082 INFO L130 PetriNetUnfolder]: For 45080/45361 co-relation queries the response was YES. [2021-08-13 03:21:20,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195474 conditions, 7828 events. 4992/7828 cut-off events. For 45080/45361 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 50787 event pairs, 206 based on Foata normal form. 23/7827 useless extension candidates. Maximal degree in co-relation 194915. Up to 6566 conditions per place. [2021-08-13 03:21:20,290 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1806 selfloop transitions, 240 changer transitions 0/2059 dead transitions. [2021-08-13 03:21:20,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 2059 transitions, 125476 flow [2021-08-13 03:21:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-13 03:21:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-08-13 03:21:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 669 transitions. [2021-08-13 03:21:20,292 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7954815695600476 [2021-08-13 03:21:20,292 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 669 transitions. [2021-08-13 03:21:20,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 669 transitions. [2021-08-13 03:21:20,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:20,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 669 transitions. [2021-08-13 03:21:20,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 23.06896551724138) internal successors, (669), 29 states have internal predecessors, (669), 0 states have call successors, (0), 0 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 03:21:20,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 29.0) internal successors, (870), 30 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 03:21:20,294 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 29.0) internal successors, (870), 30 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 03:21:20,294 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 371 predicate places. [2021-08-13 03:21:20,294 INFO L482 AbstractCegarLoop]: Abstraction has has 403 places, 2059 transitions, 125476 flow [2021-08-13 03:21:20,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:20,294 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:20,294 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:21:20,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-08-13 03:21:20,497 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:20,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1961993041, now seen corresponding path program 2 times [2021-08-13 03:21:20,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:20,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973588782] [2021-08-13 03:21:20,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:20,530 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:21:20,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:20,541 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:21:20,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:20,549 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-08-13 03:21:20,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,557 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-08-13 03:21:20,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:20,566 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-08-13 03:21:20,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:21:20,575 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-08-13 03:21:20,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:21:20,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:20,611 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:21:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:20,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:20,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:20,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973588782] [2021-08-13 03:21:20,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973588782] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:20,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639963467] [2021-08-13 03:21:20,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:20,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:21:20,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:21:20,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-13 03:21:20,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:20,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:20,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:20,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,680 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:21:20,680 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:21:20,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:20,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:20,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:20,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:20,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:20,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:20,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:20,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,721 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-08-13 03:21:20,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:21:20,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:20,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:20,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:20,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:20,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:20,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:20,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:20,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:20,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:20,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:20,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:20,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:20,774 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:21:20,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,775 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:21:20,776 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:21:20,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:20,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:21:20,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:21:20,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:21:20,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-08-13 03:21:20,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:21:20,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:21:20,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,811 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-08-13 03:21:20,812 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-08-13 03:21:20,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:20,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:20,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:20,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,836 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-08-13 03:21:20,836 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-08-13 03:21:20,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:20,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:20,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:21:20,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,838 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:21:20,839 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:20,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,841 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-08-13 03:21:20,841 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-08-13 03:21:20,842 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-08-13 03:21:20,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:21:20,897 INFO L142 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size [2021-08-13 03:21:20,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:20,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:20,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:20,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:20,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:20,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639963467] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:20,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:21:20,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:21:20,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283717780] [2021-08-13 03:21:20,899 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:21:20,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:20,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:21:20,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:21:20,899 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:21:20,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 2059 transitions, 125476 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:20,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:20,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:21:20,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:25,447 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 18#L36true, 978#true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:25,447 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:25,447 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:25,447 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:25,447 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:26,480 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1857#true, 1922#true, 515#true, 582#true, 1225#true, 1610#true, 10#L49true, 2059#true, 1995#(<= (+ i2 1) i1), 15#L63true, 978#true, 18#L36true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 29#L23true, 2270#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 1386#true, 42#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:26,481 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:26,481 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:21:26,481 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:26,481 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:27,979 INFO L129 PetriNetUnfolder]: 5027/7876 cut-off events. [2021-08-13 03:21:27,979 INFO L130 PetriNetUnfolder]: For 45840/46004 co-relation queries the response was YES. [2021-08-13 03:21:27,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203460 conditions, 7876 events. 5027/7876 cut-off events. For 45840/46004 co-relation queries the response was YES. Maximal size of possible extension queue 631. Compared 51150 event pairs, 160 based on Foata normal form. 23/7877 useless extension candidates. Maximal degree in co-relation 202891. Up to 6610 conditions per place. [2021-08-13 03:21:28,137 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1946 selfloop transitions, 138 changer transitions 0/2097 dead transitions. [2021-08-13 03:21:28,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 2097 transitions, 131926 flow [2021-08-13 03:21:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 03:21:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 03:21:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 480 transitions. [2021-08-13 03:21:28,139 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7881773399014779 [2021-08-13 03:21:28,139 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 480 transitions. [2021-08-13 03:21:28,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 480 transitions. [2021-08-13 03:21:28,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:28,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 480 transitions. [2021-08-13 03:21:28,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 22.857142857142858) internal successors, (480), 21 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:21:28,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 03:21:28,140 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 03:21:28,140 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 391 predicate places. [2021-08-13 03:21:28,140 INFO L482 AbstractCegarLoop]: Abstraction has has 423 places, 2097 transitions, 131926 flow [2021-08-13 03:21:28,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:28,141 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:28,141 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] [2021-08-13 03:21:28,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-08-13 03:21:28,356 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:28,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:28,357 INFO L82 PathProgramCache]: Analyzing trace with hash -346879667, now seen corresponding path program 1 times [2021-08-13 03:21:28,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:28,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516280770] [2021-08-13 03:21:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:28,383 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-08-13 03:21:28,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,390 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-08-13 03:21:28,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:28,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,409 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-08-13 03:21:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:28,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:28,432 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-08-13 03:21:28,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:21:28,448 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:21:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:28,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:28,474 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:21:28,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:28,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:28,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:28,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516280770] [2021-08-13 03:21:28,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516280770] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:28,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693168947] [2021-08-13 03:21:28,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:28,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:21:28,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:28,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:28,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:28,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:28,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:28,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:28,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:28,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:28,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:28,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:21:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:28,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:21:28,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:28,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:28,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:21:28,599 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-08-13 03:21:28,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:21:28,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:21:28,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:21:28,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:21:28,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:21:28,616 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-08-13 03:21:28,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:21:28,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:21:28,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:21:28,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:21:28,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:21:28,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:21:28,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:21:28,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,661 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:21:28,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:21:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:28,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:28,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,684 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:21:28,685 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:21:28,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:28,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:28,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:21:28,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,687 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:21:28,687 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:28,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,689 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-08-13 03:21:28,689 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-08-13 03:21:28,690 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-08-13 03:21:28,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:28,748 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:21:28,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:28,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:28,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:28,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:28,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:28,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693168947] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:28,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:21:28,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:21:28,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946137780] [2021-08-13 03:21:28,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:21:28,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:28,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:21:28,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:21:28,751 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:21:28,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 2097 transitions, 131926 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:28,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:28,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:21:28,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:33,295 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 2059#true, 1995#(<= (+ i2 1) i1), 15#L63true, 17#L24true, 18#L36true, 978#true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:33,295 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:33,295 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:33,296 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:33,296 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:34,495 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 18#L36true, 978#true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 29#L23true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 37#true, 101#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:34,495 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:34,495 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:21:34,495 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:34,495 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:35,887 INFO L129 PetriNetUnfolder]: 5111/8012 cut-off events. [2021-08-13 03:21:35,887 INFO L130 PetriNetUnfolder]: For 47356/47542 co-relation queries the response was YES. [2021-08-13 03:21:35,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213644 conditions, 8012 events. 5111/8012 cut-off events. For 47356/47542 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 52385 event pairs, 151 based on Foata normal form. 33/8023 useless extension candidates. Maximal degree in co-relation 213059. Up to 6722 conditions per place. [2021-08-13 03:21:36,019 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1974 selfloop transitions, 172 changer transitions 0/2159 dead transitions. [2021-08-13 03:21:36,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 2159 transitions, 140130 flow [2021-08-13 03:21:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-13 03:21:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-13 03:21:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 469 transitions. [2021-08-13 03:21:36,020 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8086206896551724 [2021-08-13 03:21:36,020 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 469 transitions. [2021-08-13 03:21:36,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 469 transitions. [2021-08-13 03:21:36,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:36,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 469 transitions. [2021-08-13 03:21:36,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 23.45) internal successors, (469), 20 states have internal predecessors, (469), 0 states have call successors, (0), 0 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 03:21:36,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 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 03:21:36,021 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 29.0) internal successors, (609), 21 states have internal predecessors, (609), 0 states have call successors, (0), 0 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 03:21:36,021 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 410 predicate places. [2021-08-13 03:21:36,021 INFO L482 AbstractCegarLoop]: Abstraction has has 442 places, 2159 transitions, 140130 flow [2021-08-13 03:21:36,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:36,022 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:36,022 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:21:36,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-08-13 03:21:36,222 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:36,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:36,223 INFO L82 PathProgramCache]: Analyzing trace with hash -568696033, now seen corresponding path program 2 times [2021-08-13 03:21:36,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:36,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572603779] [2021-08-13 03:21:36,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:36,270 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:21:36,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:36,280 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:21:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:36,287 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-08-13 03:21:36,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:36,295 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-08-13 03:21:36,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:36,304 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-08-13 03:21:36,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:21:36,313 INFO L142 QuantifierPusher]: treesize reduction 32, result has 43.9 percent of original size [2021-08-13 03:21:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:36,325 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-08-13 03:21:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:36,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:36,349 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:21:36,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:36,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:36,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:36,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572603779] [2021-08-13 03:21:36,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572603779] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:36,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018547040] [2021-08-13 03:21:36,364 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-13 03:21:36,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:21:36,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:21:36,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:21:36,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:36,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:36,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:36,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:36,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:36,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:36,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:36,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:36,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,433 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:21:36,433 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:21:36,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:36,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:36,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:36,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:36,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:36,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:36,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:36,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,462 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-08-13 03:21:36,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:21:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:36,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:36,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,478 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-08-13 03:21:36,479 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-08-13 03:21:36,479 INFO L147 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size 18 [2021-08-13 03:21:36,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-08-13 03:21:36,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:36,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,496 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-08-13 03:21:36,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:21:36,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:36,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:36,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:36,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:36,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:36,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:36,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:36,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:36,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:21:36,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,527 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:21:36,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:21:36,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:36,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:21:36,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:36,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:21:36,538 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:21:36,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:36,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:36,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,563 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:21:36,564 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:21:36,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:21:36,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,566 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:21:36,566 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:36,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,568 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-08-13 03:21:36,568 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-08-13 03:21:36,569 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-08-13 03:21:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:21:36,621 INFO L142 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-08-13 03:21:36,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:36,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:36,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:36,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:36,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018547040] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:36,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:21:36,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:21:36,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064343998] [2021-08-13 03:21:36,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:21:36,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:36,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:21:36,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:21:36,623 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:21:36,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 2159 transitions, 140130 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:36,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:36,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:21:36,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:37,178 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2021-08-13 03:21:42,013 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 978#true, 18#L36true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 2270#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:42,013 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:42,013 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:42,013 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:42,013 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:43,089 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 1610#true, 10#L49true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 18#L36true, 978#true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 29#L23true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 37#true, 101#true, 39#true, 1063#true, 233#true, 41#true, 42#true, 1386#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:43,089 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:43,089 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:21:43,089 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:43,089 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:44,469 INFO L129 PetriNetUnfolder]: 5168/8107 cut-off events. [2021-08-13 03:21:44,469 INFO L130 PetriNetUnfolder]: For 50139/50517 co-relation queries the response was YES. [2021-08-13 03:21:44,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222930 conditions, 8107 events. 5168/8107 cut-off events. For 50139/50517 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 53003 event pairs, 156 based on Foata normal form. 42/8126 useless extension candidates. Maximal degree in co-relation 222327. Up to 6798 conditions per place. [2021-08-13 03:21:44,605 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1990 selfloop transitions, 245 changer transitions 0/2248 dead transitions. [2021-08-13 03:21:44,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 2248 transitions, 150362 flow [2021-08-13 03:21:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-13 03:21:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-13 03:21:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 691 transitions. [2021-08-13 03:21:44,606 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7942528735632184 [2021-08-13 03:21:44,606 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 691 transitions. [2021-08-13 03:21:44,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 691 transitions. [2021-08-13 03:21:44,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:44,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 691 transitions. [2021-08-13 03:21:44,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 23.033333333333335) internal successors, (691), 30 states have internal predecessors, (691), 0 states have call successors, (0), 0 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 03:21:44,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 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 03:21:44,608 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 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 03:21:44,608 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 439 predicate places. [2021-08-13 03:21:44,608 INFO L482 AbstractCegarLoop]: Abstraction has has 471 places, 2248 transitions, 150362 flow [2021-08-13 03:21:44,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:44,609 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:44,609 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:21:44,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-08-13 03:21:44,815 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:44,816 INFO L82 PathProgramCache]: Analyzing trace with hash -486021257, now seen corresponding path program 3 times [2021-08-13 03:21:44,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:44,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542102078] [2021-08-13 03:21:44,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:44,837 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-08-13 03:21:44,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:44,842 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-08-13 03:21:44,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:44,858 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-08-13 03:21:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:44,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:44,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:44,887 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.0 percent of original size [2021-08-13 03:21:44,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:21:44,903 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-08-13 03:21:44,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:44,914 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-08-13 03:21:44,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:44,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:44,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:44,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542102078] [2021-08-13 03:21:44,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542102078] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:44,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552162554] [2021-08-13 03:21:44,929 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:44,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-13 03:21:44,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:21:44,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-13 03:21:44,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:44,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:44,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:44,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:44,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,988 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-08-13 03:21:44,988 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-08-13 03:21:44,989 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-08-13 03:21:44,989 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-08-13 03:21:44,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:44,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:44,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:44,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:45,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:45,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:45,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:45,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:45,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:45,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:45,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:45,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,028 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-08-13 03:21:45,028 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-08-13 03:21:45,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:21:45,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:21:45,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:21:45,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:21:45,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 03:21:45,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 03:21:45,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:21:45,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:21:45,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-13 03:21:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:21:45,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 51 [2021-08-13 03:21:45,070 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-08-13 03:21:45,070 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-08-13 03:21:45,071 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-08-13 03:21:45,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 03:21:45,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:21:45,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,082 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:21:45,082 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,083 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:21:45,083 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:45,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:45,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:45,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:21:45,085 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:12 [2021-08-13 03:21:45,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:45,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:45,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,100 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:21:45,100 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-08-13 03:21:45,101 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-08-13 03:21:45,101 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-08-13 03:21:45,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:45,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:21:45,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:45,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:45,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:45,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:45,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:45,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:45,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:45,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:21:45,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,136 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-08-13 03:21:45,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:45,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:45,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:45,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:45,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:45,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:45,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552162554] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:45,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:21:45,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-08-13 03:21:45,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282570783] [2021-08-13 03:21:45,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-13 03:21:45,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:45,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-13 03:21:45,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-08-13 03:21:45,140 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:21:45,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 2248 transitions, 150362 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 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 03:21:45,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:45,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:21:45,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:50,124 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 978#true, 18#L36true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 2730#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:50,125 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:50,125 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:50,125 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:50,125 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:51,521 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 18#L36true, 978#true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 29#L23true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 37#true, 101#true, 39#true, 1063#true, 41#true, 233#true, 42#true, 1386#true, 2730#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:51,522 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:21:51,522 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:21:51,522 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:21:51,522 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:21:53,165 INFO L129 PetriNetUnfolder]: 5273/8252 cut-off events. [2021-08-13 03:21:53,166 INFO L130 PetriNetUnfolder]: For 49128/49292 co-relation queries the response was YES. [2021-08-13 03:21:53,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234355 conditions, 8252 events. 5273/8252 cut-off events. For 49128/49292 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 53836 event pairs, 147 based on Foata normal form. 23/8252 useless extension candidates. Maximal degree in co-relation 233744. Up to 6938 conditions per place. [2021-08-13 03:21:53,309 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 1984 selfloop transitions, 347 changer transitions 0/2344 dead transitions. [2021-08-13 03:21:53,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 2344 transitions, 161264 flow [2021-08-13 03:21:53,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 03:21:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 03:21:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 496 transitions. [2021-08-13 03:21:53,310 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8144499178981938 [2021-08-13 03:21:53,310 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 496 transitions. [2021-08-13 03:21:53,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 496 transitions. [2021-08-13 03:21:53,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:21:53,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 496 transitions. [2021-08-13 03:21:53,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 23.61904761904762) internal successors, (496), 21 states have internal predecessors, (496), 0 states have call successors, (0), 0 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 03:21:53,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 03:21:53,312 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 03:21:53,312 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 459 predicate places. [2021-08-13 03:21:53,312 INFO L482 AbstractCegarLoop]: Abstraction has has 491 places, 2344 transitions, 161264 flow [2021-08-13 03:21:53,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 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 03:21:53,312 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:21:53,312 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:21:53,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:53,525 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:21:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:21:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash 2047786559, now seen corresponding path program 3 times [2021-08-13 03:21:53,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:21:53,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007803238] [2021-08-13 03:21:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:21:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:21:53,541 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:21:53,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:53,550 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:21:53,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:53,558 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-08-13 03:21:53,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:53,565 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-08-13 03:21:53,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:21:53,576 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-08-13 03:21:53,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:21:53,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-08-13 03:21:53,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:21:53,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:21:53,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:53,622 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:21:53,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:21:53,740 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-08-13 03:21:53,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:53,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:21:53,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007803238] [2021-08-13 03:21:53,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007803238] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:53,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129528792] [2021-08-13 03:21:53,741 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:21:53,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-13 03:21:53,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:21:53,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:21:53,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:21:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:21:53,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:53,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:21:53,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,797 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-08-13 03:21:53,797 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-08-13 03:21:53,797 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:21:53,798 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:21:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:53,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:21:53,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:53,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:53,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:53,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:21:53,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,826 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-08-13 03:21:53,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:21:53,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:53,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:21:53,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:53,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:53,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:53,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:53,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:21:53,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:21:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:21:53,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:21:53,905 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:21:53,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,907 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:21:53,907 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:21:53,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:53,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:21:53,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:53,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:21:53,917 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:21:53,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:53,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:21:53,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,943 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:21:53,944 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:21:53,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:21:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:21:53,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,946 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:21:53,946 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:21:53,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:21:53,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:53,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:53,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:21:54,004 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:21:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:54,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:54,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:21:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:21:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:21:54,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129528792] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:21:54,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:21:54,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:21:54,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72125740] [2021-08-13 03:21:54,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:21:54,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:21:54,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:21:54,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:21:54,008 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:21:54,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 2344 transitions, 161264 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:21:54,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:21:54,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:21:54,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:21:59,384 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 978#true, 18#L36true, 2835#true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 1386#true, 2730#true, 42#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true]) [2021-08-13 03:21:59,384 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:21:59,384 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:21:59,384 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:21:59,384 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:00,969 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 1610#true, 10#L49true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 18#L36true, 978#true, 2835#true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 29#L23true, 2270#true, 1699#true, 35#true, 1316#true, 740#true, 101#true, 37#true, 39#true, 1063#true, 41#true, 233#true, 1386#true, 2730#true, 42#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 1465#true, 825#true, 1531#true, 443#true, 893#true]) [2021-08-13 03:22:00,969 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:22:00,969 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:22:00,969 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:22:00,969 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:22:03,154 INFO L129 PetriNetUnfolder]: 5328/8394 cut-off events. [2021-08-13 03:22:03,154 INFO L130 PetriNetUnfolder]: For 52321/52497 co-relation queries the response was YES. [2021-08-13 03:22:03,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 243962 conditions, 8394 events. 5328/8394 cut-off events. For 52321/52497 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 55515 event pairs, 178 based on Foata normal form. 33/8401 useless extension candidates. Maximal degree in co-relation 243325. Up to 7010 conditions per place. [2021-08-13 03:22:03,387 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2209 selfloop transitions, 172 changer transitions 0/2394 dead transitions. [2021-08-13 03:22:03,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 2394 transitions, 169456 flow [2021-08-13 03:22:03,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-13 03:22:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-08-13 03:22:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 533 transitions. [2021-08-13 03:22:03,388 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7991004497751124 [2021-08-13 03:22:03,388 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 533 transitions. [2021-08-13 03:22:03,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 533 transitions. [2021-08-13 03:22:03,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:22:03,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 533 transitions. [2021-08-13 03:22:03,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 23.17391304347826) internal successors, (533), 23 states have internal predecessors, (533), 0 states have call successors, (0), 0 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 03:22:03,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:22:03,390 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:22:03,390 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 481 predicate places. [2021-08-13 03:22:03,390 INFO L482 AbstractCegarLoop]: Abstraction has has 513 places, 2394 transitions, 169456 flow [2021-08-13 03:22:03,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:22:03,390 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:22:03,390 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:22:03,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-08-13 03:22:03,597 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:22:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:22:03,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1287613941, now seen corresponding path program 4 times [2021-08-13 03:22:03,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:22:03,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049840636] [2021-08-13 03:22:03,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:22:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:22:03,611 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:22:03,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:22:03,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:03,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:22:03,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:03,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,690 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:22:03,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:03,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:03,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:22:03,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049840636] [2021-08-13 03:22:03,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049840636] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:03,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637389374] [2021-08-13 03:22:03,706 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:03,808 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:22:03,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:22:03,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:22:03,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:22:03,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:03,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:03,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:03,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:03,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:03,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:03,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:03,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:03,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,878 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:22:03,878 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:22:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:03,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:03,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:03,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:03,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:03,931 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:22:03,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,932 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:22:03,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:22:03,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:03,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:22:03,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:22:03,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:22:03,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-08-13 03:22:03,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:22:03,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:22:03,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:22:03,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:03,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:03,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:03,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,993 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:22:03,993 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:22:03,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:03,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:03,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:22:03,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,995 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:22:03,996 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:03,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:03,997 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-08-13 03:22:03,998 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 49 [2021-08-13 03:22:03,998 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-08-13 03:22:03,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-08-13 03:22:04,053 INFO L142 QuantifierPusher]: treesize reduction 55, result has 1.8 percent of original size [2021-08-13 03:22:04,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:04,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:04,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:04,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:04,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:04,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637389374] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:04,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:22:04,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:22:04,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011584237] [2021-08-13 03:22:04,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:22:04,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:22:04,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:22:04,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:22:04,056 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:22:04,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 2394 transitions, 169456 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:22:04,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:22:04,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:22:04,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:22:10,063 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][146], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 1610#true, 10#L49true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 18#L36true, 978#true, 2835#true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 2270#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 1386#true, 2730#true, 42#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:10,064 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:22:10,064 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:10,064 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:10,064 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:22:11,498 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][146], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 18#L36true, 978#true, 2835#true, 21#L79true, 2197#true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 29#L23true, 2270#true, 35#true, 1699#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 2730#true, 2604#true, 304#true, 1778#true, 371#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:11,498 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:22:11,498 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:22:11,498 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:22:11,498 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:22:13,312 INFO L129 PetriNetUnfolder]: 5437/8593 cut-off events. [2021-08-13 03:22:13,312 INFO L130 PetriNetUnfolder]: For 56046/56440 co-relation queries the response was YES. [2021-08-13 03:22:13,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 256378 conditions, 8593 events. 5437/8593 cut-off events. For 56046/56440 co-relation queries the response was YES. Maximal size of possible extension queue 695. Compared 57562 event pairs, 124 based on Foata normal form. 42/8611 useless extension candidates. Maximal degree in co-relation 255729. Up to 7158 conditions per place. [2021-08-13 03:22:13,473 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2105 selfloop transitions, 397 changer transitions 0/2515 dead transitions. [2021-08-13 03:22:13,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 2515 transitions, 183014 flow [2021-08-13 03:22:13,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-13 03:22:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-08-13 03:22:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 747 transitions. [2021-08-13 03:22:13,475 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.780564263322884 [2021-08-13 03:22:13,475 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 747 transitions. [2021-08-13 03:22:13,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 747 transitions. [2021-08-13 03:22:13,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:22:13,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 747 transitions. [2021-08-13 03:22:13,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 22.636363636363637) internal successors, (747), 33 states have internal predecessors, (747), 0 states have call successors, (0), 0 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 03:22:13,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 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 03:22:13,477 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 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 03:22:13,477 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 513 predicate places. [2021-08-13 03:22:13,477 INFO L482 AbstractCegarLoop]: Abstraction has has 545 places, 2515 transitions, 183014 flow [2021-08-13 03:22:13,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:22:13,478 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:22:13,478 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] [2021-08-13 03:22:13,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-08-13 03:22:13,694 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:22:13,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:22:13,694 INFO L82 PathProgramCache]: Analyzing trace with hash 647012357, now seen corresponding path program 2 times [2021-08-13 03:22:13,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:22:13,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871750501] [2021-08-13 03:22:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:22:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:22:13,706 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:22:13,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:22:13,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:13,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:13,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:13,732 INFO L142 QuantifierPusher]: treesize reduction 29, result has 43.1 percent of original size [2021-08-13 03:22:13,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:13,743 INFO L142 QuantifierPusher]: treesize reduction 29, result has 39.6 percent of original size [2021-08-13 03:22:13,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:13,754 INFO L142 QuantifierPusher]: treesize reduction 24, result has 38.5 percent of original size [2021-08-13 03:22:13,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:13,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,776 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:22:13,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:13,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:13,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:22:13,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871750501] [2021-08-13 03:22:13,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871750501] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:13,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063606941] [2021-08-13 03:22:13,788 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:13,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:22:13,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:22:13,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:22:13,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:22:13,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:13,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:13,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:13,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:13,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:13,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:13,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:13,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:13,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:13,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:13,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:13,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:13,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:13,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:13,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:13,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:13,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:13,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-08-13 03:22:13,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:13,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:13,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:13,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:22:14,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:14,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:22:14,006 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-08-13 03:22:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:14,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,030 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-08-13 03:22:14,030 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-08-13 03:22:14,031 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:22:14,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:22:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,066 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:22:14,067 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:22:14,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:22:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,069 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:22:14,070 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,071 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-08-13 03:22:14,072 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-08-13 03:22:14,073 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-08-13 03:22:14,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:14,127 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:22:14,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:14,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:14,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:14,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:14,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:14,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063606941] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:14,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:22:14,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:22:14,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932612183] [2021-08-13 03:22:14,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:22:14,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:22:14,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:22:14,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:22:14,130 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:22:14,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 2515 transitions, 183014 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:22:14,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:22:14,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:22:14,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:22:21,419 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][140], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 1995#(<= (+ i2 1) i1), 2059#true, 15#L63true, 17#L24true, 978#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 2270#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 41#true, 233#true, 42#true, 1386#true, 2730#true, 2604#true, 304#true, 1778#true, 371#true, 3060#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:21,419 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:22:21,419 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:22:21,419 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:21,419 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:23,195 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][140], [1857#true, 1922#true, 515#true, 2500#true, 582#true, 1225#true, 10#L49true, 1610#true, 2059#true, 1995#(<= (+ i2 1) i1), 15#L63true, 978#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 2134#(<= i2 i1), 663#true, 2394#true, 156#true, 29#L23true, 2270#true, 1699#true, 35#true, 740#true, 1316#true, 101#true, 37#true, 1063#true, 39#true, 233#true, 41#true, 42#true, 1386#true, 2730#true, 2604#true, 304#true, 1778#true, 371#true, 3060#true, 53#(<= i2 i1), 1144#true, 825#true, 1465#true, 443#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:23,195 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:22:23,195 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:22:23,195 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:22:23,195 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:22:25,930 INFO L129 PetriNetUnfolder]: 5733/9056 cut-off events. [2021-08-13 03:22:25,930 INFO L130 PetriNetUnfolder]: For 58908/59084 co-relation queries the response was YES. [2021-08-13 03:22:25,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277903 conditions, 9056 events. 5733/9056 cut-off events. For 58908/59084 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 60891 event pairs, 149 based on Foata normal form. 35/9068 useless extension candidates. Maximal degree in co-relation 277230. Up to 7550 conditions per place. [2021-08-13 03:22:26,100 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2185 selfloop transitions, 539 changer transitions 0/2737 dead transitions. [2021-08-13 03:22:26,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 2737 transitions, 204474 flow [2021-08-13 03:22:26,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-13 03:22:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-08-13 03:22:26,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 724 transitions. [2021-08-13 03:22:26,101 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8053392658509455 [2021-08-13 03:22:26,101 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 724 transitions. [2021-08-13 03:22:26,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 724 transitions. [2021-08-13 03:22:26,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:22:26,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 724 transitions. [2021-08-13 03:22:26,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 23.35483870967742) internal successors, (724), 31 states have internal predecessors, (724), 0 states have call successors, (0), 0 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 03:22:26,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 03:22:26,103 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 03:22:26,103 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 543 predicate places. [2021-08-13 03:22:26,103 INFO L482 AbstractCegarLoop]: Abstraction has has 575 places, 2737 transitions, 204474 flow [2021-08-13 03:22:26,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:22:26,103 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:22:26,103 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:22:26,310 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:26,311 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:22:26,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:22:26,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1235909969, now seen corresponding path program 5 times [2021-08-13 03:22:26,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:22:26,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522357742] [2021-08-13 03:22:26,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:22:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:22:26,327 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-08-13 03:22:26,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-08-13 03:22:26,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:26,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,352 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-08-13 03:22:26,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:26,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:26,373 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-08-13 03:22:26,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:22:26,387 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:22:26,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:26,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,414 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:22:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:26,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:26,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:22:26,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522357742] [2021-08-13 03:22:26,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522357742] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:26,428 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794225929] [2021-08-13 03:22:26,428 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:26,462 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-13 03:22:26,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:22:26,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:22:26,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:22:26,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:26,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:26,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:26,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:26,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:26,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,485 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:22:26,485 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:22:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:26,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,502 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-08-13 03:22:26,502 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-08-13 03:22:26,503 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-08-13 03:22:26,503 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 03:22:26,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:26,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:26,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:26,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:22:26,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:26,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:26,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:22:26,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:26,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:26,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:22:26,543 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-08-13 03:22:26,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:26,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:26,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:22:26,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:22:26,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:22:26,555 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-08-13 03:22:26,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:22:26,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:22:26,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:22:26,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:26,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:26,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:26,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:22:26,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,597 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:22:26,597 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:22:26,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:26,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:26,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,618 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:22:26,618 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:22:26,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:26,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:26,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:22:26,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,626 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:22:26,626 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:26,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,628 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-08-13 03:22:26,628 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-08-13 03:22:26,629 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-08-13 03:22:26,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:26,687 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:22:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:26,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794225929] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:26,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:22:26,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:22:26,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519687866] [2021-08-13 03:22:26,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:22:26,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:22:26,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:22:26,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:22:26,690 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:22:26,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 2737 transitions, 204474 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:22:26,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:22:26,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:22:26,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:22:35,071 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][141], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:35,071 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:22:35,071 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:22:35,071 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:35,071 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:37,264 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][141], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 1063#true, 39#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:37,264 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:22:37,264 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:22:37,265 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:22:37,265 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:22:39,762 INFO L129 PetriNetUnfolder]: 5773/9082 cut-off events. [2021-08-13 03:22:39,763 INFO L130 PetriNetUnfolder]: For 56839/57003 co-relation queries the response was YES. [2021-08-13 03:22:39,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287705 conditions, 9082 events. 5773/9082 cut-off events. For 56839/57003 co-relation queries the response was YES. Maximal size of possible extension queue 719. Compared 60679 event pairs, 175 based on Foata normal form. 23/9078 useless extension candidates. Maximal degree in co-relation 287008. Up to 7610 conditions per place. [2021-08-13 03:22:40,059 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2502 selfloop transitions, 286 changer transitions 0/2801 dead transitions. [2021-08-13 03:22:40,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 2801 transitions, 214722 flow [2021-08-13 03:22:40,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 03:22:40,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 03:22:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 517 transitions. [2021-08-13 03:22:40,061 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8103448275862069 [2021-08-13 03:22:40,061 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 517 transitions. [2021-08-13 03:22:40,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 517 transitions. [2021-08-13 03:22:40,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:22:40,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 517 transitions. [2021-08-13 03:22:40,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.5) internal successors, (517), 22 states have internal predecessors, (517), 0 states have call successors, (0), 0 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 03:22:40,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 29.0) internal successors, (667), 23 states have internal predecessors, (667), 0 states have call successors, (0), 0 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 03:22:40,062 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 29.0) internal successors, (667), 23 states have internal predecessors, (667), 0 states have call successors, (0), 0 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 03:22:40,062 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 564 predicate places. [2021-08-13 03:22:40,063 INFO L482 AbstractCegarLoop]: Abstraction has has 596 places, 2801 transitions, 214722 flow [2021-08-13 03:22:40,063 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:22:40,063 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:22:40,063 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] [2021-08-13 03:22:40,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:40,278 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:22:40,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:22:40,279 INFO L82 PathProgramCache]: Analyzing trace with hash 504440187, now seen corresponding path program 3 times [2021-08-13 03:22:40,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:22:40,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247233671] [2021-08-13 03:22:40,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:22:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:22:40,292 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-08-13 03:22:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,298 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-08-13 03:22:40,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:40,314 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-08-13 03:22:40,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:40,326 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-08-13 03:22:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:40,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,345 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:22:40,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:40,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:22:40,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:40,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:40,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:22:40,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247233671] [2021-08-13 03:22:40,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247233671] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:40,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342639759] [2021-08-13 03:22:40,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:40,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-13 03:22:40,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:22:40,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:22:40,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:22:40,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:40,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:40,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:40,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:40,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:22:40,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,434 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-08-13 03:22:40,434 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-08-13 03:22:40,435 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-08-13 03:22:40,435 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-08-13 03:22:40,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:22:40,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:40,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:40,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:22:40,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:22:40,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:22:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:40,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-08-13 03:22:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:40,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:22:40,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:40,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:22:40,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:28 [2021-08-13 03:22:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:40,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:22:40,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,529 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:22:40,530 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:22:40,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:40,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:40,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,550 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:22:40,550 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:22:40,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:40,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:40,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:22:40,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,552 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:22:40,553 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:40,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,554 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-08-13 03:22:40,555 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-08-13 03:22:40,555 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-08-13 03:22:40,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:22:40,605 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:22:40,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:40,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:40,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:40,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:40,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:40,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342639759] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:40,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:22:40,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:22:40,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432475867] [2021-08-13 03:22:40,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:22:40,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:22:40,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:22:40,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:22:40,608 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:22:40,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 2801 transitions, 214722 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:22:40,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:22:40,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:22:40,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:22:48,634 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][128], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 1063#true, 39#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:48,635 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:22:48,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:48,635 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:22:48,635 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:22:50,629 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][128], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 1063#true, 39#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:22:50,630 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:22:50,630 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:22:50,630 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:22:50,630 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:22:53,942 INFO L129 PetriNetUnfolder]: 5875/9222 cut-off events. [2021-08-13 03:22:53,942 INFO L130 PetriNetUnfolder]: For 58132/58308 co-relation queries the response was YES. [2021-08-13 03:22:53,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300352 conditions, 9222 events. 5875/9222 cut-off events. For 58132/58308 co-relation queries the response was YES. Maximal size of possible extension queue 712. Compared 61397 event pairs, 193 based on Foata normal form. 33/9230 useless extension candidates. Maximal degree in co-relation 299651. Up to 7742 conditions per place. [2021-08-13 03:22:54,139 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2317 selfloop transitions, 538 changer transitions 0/2868 dead transitions. [2021-08-13 03:22:54,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 2868 transitions, 225592 flow [2021-08-13 03:22:54,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-13 03:22:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-13 03:22:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 638 transitions. [2021-08-13 03:22:54,141 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2021-08-13 03:22:54,141 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 638 transitions. [2021-08-13 03:22:54,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 638 transitions. [2021-08-13 03:22:54,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:22:54,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 638 transitions. [2021-08-13 03:22:54,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 23.62962962962963) internal successors, (638), 27 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 03:22:54,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 29.0) internal successors, (812), 28 states have internal predecessors, (812), 0 states have call successors, (0), 0 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 03:22:54,142 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 29.0) internal successors, (812), 28 states have internal predecessors, (812), 0 states have call successors, (0), 0 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 03:22:54,143 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 590 predicate places. [2021-08-13 03:22:54,143 INFO L482 AbstractCegarLoop]: Abstraction has has 622 places, 2868 transitions, 225592 flow [2021-08-13 03:22:54,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:22:54,143 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:22:54,143 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] [2021-08-13 03:22:54,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:54,359 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:22:54,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:22:54,359 INFO L82 PathProgramCache]: Analyzing trace with hash -900693733, now seen corresponding path program 4 times [2021-08-13 03:22:54,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:22:54,359 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155534348] [2021-08-13 03:22:54,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:22:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:22:54,424 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:22:54,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,435 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:22:54,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:54,443 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-08-13 03:22:54,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:54,454 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 03:22:54,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:22:54,465 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-08-13 03:22:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:22:54,475 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-08-13 03:22:54,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:22:54,488 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-08-13 03:22:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:22:54,502 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:22:54,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,515 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:22:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:22:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:54,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:22:54,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155534348] [2021-08-13 03:22:54,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155534348] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:54,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842243060] [2021-08-13 03:22:54,530 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:22:54,569 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:22:54,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:22:54,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:22:54,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:22:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:22:54,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:54,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:22:54,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:54,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:22:54,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,660 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-08-13 03:22:54,660 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-08-13 03:22:54,661 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:22:54,661 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:22:54,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:22:54,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:54,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:54,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:54,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:22:54,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:22:54,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:54,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:54,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:54,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:54,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:22:54,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:22:54,710 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:22:54,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,711 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:22:54,711 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:22:54,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:54,712 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:22:54,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:22:54,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:22:54,722 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-08-13 03:22:54,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:22:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:22:54,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,746 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-08-13 03:22:54,747 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-08-13 03:22:54,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:54,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:54,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:22:54,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,772 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-08-13 03:22:54,773 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-08-13 03:22:54,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:54,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:22:54,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:22:54,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,774 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:22:54,776 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:22:54,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,778 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-08-13 03:22:54,779 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-08-13 03:22:54,780 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-08-13 03:22:54,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:22:54,859 INFO L142 QuantifierPusher]: treesize reduction 51, result has 1.9 percent of original size [2021-08-13 03:22:54,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:54,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:54,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:54,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:22:54,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:22:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:22:54,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842243060] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:22:54,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:22:54,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:22:54,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265254375] [2021-08-13 03:22:54,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:22:54,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:22:54,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:22:54,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:22:54,862 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:22:54,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 2868 transitions, 225592 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:22:54,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:22:54,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:22:54,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:23:02,945 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][148], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:23:02,945 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:23:02,945 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:02,945 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:02,945 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:23:05,161 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][148], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 53#(<= i2 i1), 1465#true, 825#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:23:05,161 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:23:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:23:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:23:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:23:08,355 INFO L129 PetriNetUnfolder]: 5891/9291 cut-off events. [2021-08-13 03:23:08,355 INFO L130 PetriNetUnfolder]: For 60239/60415 co-relation queries the response was YES. [2021-08-13 03:23:08,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309023 conditions, 9291 events. 5891/9291 cut-off events. For 60239/60415 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 62588 event pairs, 177 based on Foata normal form. 27/9293 useless extension candidates. Maximal degree in co-relation 308310. Up to 7781 conditions per place. [2021-08-13 03:23:08,538 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2782 selfloop transitions, 93 changer transitions 0/2888 dead transitions. [2021-08-13 03:23:08,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 2888 transitions, 232942 flow [2021-08-13 03:23:08,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 03:23:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 03:23:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 386 transitions. [2021-08-13 03:23:08,539 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7829614604462475 [2021-08-13 03:23:08,539 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 386 transitions. [2021-08-13 03:23:08,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 386 transitions. [2021-08-13 03:23:08,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:23:08,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 386 transitions. [2021-08-13 03:23:08,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 22.705882352941178) internal successors, (386), 17 states have internal predecessors, (386), 0 states have call successors, (0), 0 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 03:23:08,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:23:08,540 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:23:08,540 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 606 predicate places. [2021-08-13 03:23:08,540 INFO L482 AbstractCegarLoop]: Abstraction has has 638 places, 2888 transitions, 232942 flow [2021-08-13 03:23:08,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:23:08,540 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:23:08,540 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:23:08,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-08-13 03:23:08,745 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:23:08,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:23:08,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1499687721, now seen corresponding path program 6 times [2021-08-13 03:23:08,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:23:08,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961365563] [2021-08-13 03:23:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:23:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:23:08,764 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:23:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:08,774 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:23:08,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:08,784 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-08-13 03:23:08,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:08,791 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-08-13 03:23:08,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:23:08,799 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-08-13 03:23:08,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:08,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,825 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-08-13 03:23:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:08,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:23:08,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:23:08,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:23:08,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:08,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:23:08,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961365563] [2021-08-13 03:23:08,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961365563] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:08,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098651322] [2021-08-13 03:23:08,871 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:23:08,897 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-13 03:23:08,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:23:08,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-13 03:23:08,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:23:08,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:08,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:08,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:08,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:08,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,925 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-08-13 03:23:08,925 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-08-13 03:23:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:23:08,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:23:08,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:08,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:08,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:08,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:08,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:08,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:08,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:23:08,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:08,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:23:08,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:08,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:08,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:08,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:23:08,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:09,017 INFO L354 Elim1Store]: treesize reduction 10, result has 78.7 percent of original size [2021-08-13 03:23:09,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 49 [2021-08-13 03:23:09,018 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-08-13 03:23:09,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:23:09,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:23:09,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:23:09,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:23:09,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:23:09,031 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:38 [2021-08-13 03:23:09,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:23:09,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:23:09,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,056 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-08-13 03:23:09,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-08-13 03:23:09,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:09,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-13 03:23:09,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-08-13 03:23:09,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,059 INFO L428 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-08-13 03:23:09,059 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-13 03:23:09,066 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,066 INFO L428 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-08-13 03:23:09,067 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-13 03:23:09,067 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,067 INFO L428 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-08-13 03:23:09,067 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:23:09,068 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,069 INFO L147 QuantifierPusher]: treesize reduction 26, result has 71.4 percent of original size 65 [2021-08-13 03:23:09,070 INFO L142 QuantifierPusher]: treesize reduction 26, result has 71.4 percent of original size [2021-08-13 03:23:09,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-13 03:23:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:09,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-08-13 03:23:09,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:09,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:09,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-13 03:23:09,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:09,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:09,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:09,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:09,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098651322] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:09,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:23:09,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:23:09,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176739812] [2021-08-13 03:23:09,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:23:09,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:23:09,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:23:09,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:23:09,143 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:23:09,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 2888 transitions, 232942 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:23:09,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:23:09,144 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:23:09,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:23:17,752 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][132], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 3393#true, 1857#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:23:17,752 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:23:17,752 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:17,752 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:23:17,752 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:20,157 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][132], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:23:20,157 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:23:20,157 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:23:20,157 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:23:20,157 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:23:23,739 INFO L129 PetriNetUnfolder]: 5928/9356 cut-off events. [2021-08-13 03:23:23,740 INFO L130 PetriNetUnfolder]: For 60509/60673 co-relation queries the response was YES. [2021-08-13 03:23:23,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 318648 conditions, 9356 events. 5928/9356 cut-off events. For 60509/60673 co-relation queries the response was YES. Maximal size of possible extension queue 727. Compared 63055 event pairs, 154 based on Foata normal form. 18/9347 useless extension candidates. Maximal degree in co-relation 317915. Up to 7825 conditions per place. [2021-08-13 03:23:23,928 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2737 selfloop transitions, 184 changer transitions 0/2934 dead transitions. [2021-08-13 03:23:23,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 2934 transitions, 242368 flow [2021-08-13 03:23:23,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-13 03:23:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-08-13 03:23:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 527 transitions. [2021-08-13 03:23:23,929 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7901049475262368 [2021-08-13 03:23:23,929 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 527 transitions. [2021-08-13 03:23:23,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 527 transitions. [2021-08-13 03:23:23,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:23:23,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 527 transitions. [2021-08-13 03:23:23,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 22.91304347826087) internal successors, (527), 23 states have internal predecessors, (527), 0 states have call successors, (0), 0 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 03:23:23,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:23:23,930 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:23:23,930 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 628 predicate places. [2021-08-13 03:23:23,930 INFO L482 AbstractCegarLoop]: Abstraction has has 660 places, 2934 transitions, 242368 flow [2021-08-13 03:23:23,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:23:23,931 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:23:23,931 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] [2021-08-13 03:23:24,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:23:24,141 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:23:24,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:23:24,141 INFO L82 PathProgramCache]: Analyzing trace with hash -907384807, now seen corresponding path program 5 times [2021-08-13 03:23:24,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:23:24,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473254803] [2021-08-13 03:23:24,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:23:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:23:24,158 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:23:24,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,169 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:23:24,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:24,176 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-08-13 03:23:24,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:24,186 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 03:23:24,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:24,197 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-08-13 03:23:24,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:23:24,207 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-08-13 03:23:24,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:23:24,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:24,232 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:23:24,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:23:24,244 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:23:24,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:23:24,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:24,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:23:24,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473254803] [2021-08-13 03:23:24,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473254803] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:24,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511499410] [2021-08-13 03:23:24,256 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:23:24,282 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-13 03:23:24,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:23:24,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:23:24,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:23:24,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:24,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:24,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:23:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:23:24,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:23:24,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:23:24,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:24,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:24,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:24,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,334 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-08-13 03:23:24,335 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-08-13 03:23:24,335 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-08-13 03:23:24,335 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:23:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,354 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-08-13 03:23:24,354 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-08-13 03:23:24,355 INFO L147 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size 18 [2021-08-13 03:23:24,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-08-13 03:23:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:24,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:24,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:24,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:24,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:24,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:24,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:24,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:24,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:24,401 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:23:24,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,402 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:23:24,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:23:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:24,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:23:24,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:24,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:23:24,412 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:23:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:24,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,434 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:23:24,434 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:23:24,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:24,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:24,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:23:24,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,439 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:23:24,440 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:24,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:23:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,612 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-08-13 03:23:24,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:24,634 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:23:24,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:24,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:24,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:24,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:24,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:24,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511499410] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:24,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:23:24,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:23:24,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129759087] [2021-08-13 03:23:24,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:23:24,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:23:24,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:23:24,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:23:24,637 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:23:24,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 2934 transitions, 242368 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:23:24,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:23:24,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:23:24,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:23:33,398 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:23:33,399 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:23:33,399 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:33,399 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:23:33,399 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:36,021 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 3602#true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 893#true, 2943#true]) [2021-08-13 03:23:36,021 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:23:36,021 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:23:36,022 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:23:36,022 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:23:39,713 INFO L129 PetriNetUnfolder]: 5966/9470 cut-off events. [2021-08-13 03:23:39,713 INFO L130 PetriNetUnfolder]: For 66217/66640 co-relation queries the response was YES. [2021-08-13 03:23:39,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328632 conditions, 9470 events. 5966/9470 cut-off events. For 66217/66640 co-relation queries the response was YES. Maximal size of possible extension queue 752. Compared 64517 event pairs, 163 based on Foata normal form. 55/9497 useless extension candidates. Maximal degree in co-relation 327883. Up to 7873 conditions per place. [2021-08-13 03:23:39,905 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2835 selfloop transitions, 128 changer transitions 0/2976 dead transitions. [2021-08-13 03:23:39,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 2976 transitions, 251786 flow [2021-08-13 03:23:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 03:23:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 03:23:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 436 transitions. [2021-08-13 03:23:39,906 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7912885662431942 [2021-08-13 03:23:39,906 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 436 transitions. [2021-08-13 03:23:39,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 436 transitions. [2021-08-13 03:23:39,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:23:39,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 436 transitions. [2021-08-13 03:23:39,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 22.94736842105263) internal successors, (436), 19 states have internal predecessors, (436), 0 states have call successors, (0), 0 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 03:23:39,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 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 03:23:39,908 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 29.0) internal successors, (580), 20 states have internal predecessors, (580), 0 states have call successors, (0), 0 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 03:23:39,908 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 646 predicate places. [2021-08-13 03:23:39,908 INFO L482 AbstractCegarLoop]: Abstraction has has 678 places, 2976 transitions, 251786 flow [2021-08-13 03:23:39,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:23:39,908 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:23:39,908 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:23:40,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:23:40,117 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:23:40,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:23:40,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1183842103, now seen corresponding path program 7 times [2021-08-13 03:23:40,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:23:40,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424021945] [2021-08-13 03:23:40,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:23:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:23:40,132 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:23:40,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,143 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:23:40,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:40,151 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-08-13 03:23:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:40,159 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-08-13 03:23:40,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:23:40,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-08-13 03:23:40,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:40,180 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-08-13 03:23:40,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:40,204 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-08-13 03:23:40,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:40,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:23:40,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:23:40,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:23:40,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:40,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:40,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:23:40,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424021945] [2021-08-13 03:23:40,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424021945] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:40,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910099661] [2021-08-13 03:23:40,251 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:23:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:23:40,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:23:40,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:23:40,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:23:40,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,297 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-08-13 03:23:40,297 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-08-13 03:23:40,298 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-08-13 03:23:40,298 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-08-13 03:23:40,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:40,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:40,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,336 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:23:40,336 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-08-13 03:23:40,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:40,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:40,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:40,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:40,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:40,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:23:40,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:40,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:40,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:23:40,363 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-08-13 03:23:40,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:40,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:40,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:23:40,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:23:40,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:23:40,375 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-08-13 03:23:40,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:23:40,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:23:40,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:23:40,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:40,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:40,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:23:40,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,416 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-08-13 03:23:40,417 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-08-13 03:23:40,417 INFO L147 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size 29 [2021-08-13 03:23:40,417 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-08-13 03:23:40,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:40,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:40,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,438 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:23:40,439 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:23:40,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:40,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:23:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,440 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:23:40,442 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:40,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:23:40,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:23:40,503 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:23:40,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:40,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:40,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:40,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910099661] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:40,505 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:23:40,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:23:40,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607896033] [2021-08-13 03:23:40,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:23:40,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:23:40,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:23:40,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:23:40,506 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:23:40,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 2976 transitions, 251786 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:23:40,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:23:40,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:23:40,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:23:49,992 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:23:49,992 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:23:49,992 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:49,992 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:23:49,992 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:23:52,558 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][139], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:23:52,559 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:23:52,559 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:23:52,559 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:23:52,559 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:23:57,111 INFO L129 PetriNetUnfolder]: 6032/9513 cut-off events. [2021-08-13 03:23:57,111 INFO L130 PetriNetUnfolder]: For 64991/65171 co-relation queries the response was YES. [2021-08-13 03:23:57,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 340521 conditions, 9513 events. 6032/9513 cut-off events. For 64991/65171 co-relation queries the response was YES. Maximal size of possible extension queue 748. Compared 64234 event pairs, 155 based on Foata normal form. 34/9519 useless extension candidates. Maximal degree in co-relation 339756. Up to 7969 conditions per place. [2021-08-13 03:23:57,305 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2788 selfloop transitions, 247 changer transitions 0/3048 dead transitions. [2021-08-13 03:23:57,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 3048 transitions, 263912 flow [2021-08-13 03:23:57,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-13 03:23:57,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-13 03:23:57,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 599 transitions. [2021-08-13 03:23:57,306 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7944297082228117 [2021-08-13 03:23:57,307 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 599 transitions. [2021-08-13 03:23:57,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 599 transitions. [2021-08-13 03:23:57,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:23:57,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 599 transitions. [2021-08-13 03:23:57,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 23.03846153846154) internal successors, (599), 26 states have internal predecessors, (599), 0 states have call successors, (0), 0 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 03:23:57,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 29.0) internal successors, (783), 27 states have internal predecessors, (783), 0 states have call successors, (0), 0 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 03:23:57,308 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 29.0) internal successors, (783), 27 states have internal predecessors, (783), 0 states have call successors, (0), 0 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 03:23:57,308 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 671 predicate places. [2021-08-13 03:23:57,308 INFO L482 AbstractCegarLoop]: Abstraction has has 703 places, 3048 transitions, 263912 flow [2021-08-13 03:23:57,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:23:57,308 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:23:57,308 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] [2021-08-13 03:23:57,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-08-13 03:23:57,521 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:23:57,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:23:57,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1455327053, now seen corresponding path program 6 times [2021-08-13 03:23:57,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:23:57,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312616489] [2021-08-13 03:23:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:23:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:23:57,542 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:23:57,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:57,552 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:23:57,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:23:57,559 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-08-13 03:23:57,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:23:57,566 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-08-13 03:23:57,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:23:57,575 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-08-13 03:23:57,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:23:57,587 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-08-13 03:23:57,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:23:57,598 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-08-13 03:23:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:23:57,614 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:23:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:23:57,627 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:23:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:23:57,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:57,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:23:57,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312616489] [2021-08-13 03:23:57,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312616489] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:57,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593957497] [2021-08-13 03:23:57,641 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:23:57,667 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-13 03:23:57,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:23:57,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:23:57,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:23:57,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:23:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:23:57,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,696 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-08-13 03:23:57,697 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-08-13 03:23:57,697 INFO L147 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size 18 [2021-08-13 03:23:57,697 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-08-13 03:23:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:57,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:57,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:57,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:57,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:57,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:23:57,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,712 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-08-13 03:23:57,712 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-08-13 03:23:57,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:23:57,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:23:57,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:23:57,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:23:57,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:23:57,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,750 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size 32 [2021-08-13 03:23:57,750 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-08-13 03:23:57,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:57,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:57,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:23:57,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 03:23:57,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:57,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 03:23:57,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:23:57,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:57,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-13 03:23:57,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:23:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-13 03:23:57,795 INFO L354 Elim1Store]: treesize reduction 10, result has 80.4 percent of original size [2021-08-13 03:23:57,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 61 [2021-08-13 03:23:57,795 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.5 percent of original size [2021-08-13 03:23:57,796 INFO L147 QuantifierPusher]: treesize reduction 12, result has 78.9 percent of original size 45 [2021-08-13 03:23:57,796 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.9 percent of original size [2021-08-13 03:23:57,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:23:57,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:23:57,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 03:23:57,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:23:57,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:48 [2021-08-13 03:23:57,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 03:23:57,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 03:23:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,839 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.7 percent of original size 51 [2021-08-13 03:23:57,840 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-08-13 03:23:57,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:23:57,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-13 03:23:57,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-13 03:23:57,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,841 INFO L428 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-08-13 03:23:57,842 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-13 03:23:57,842 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,843 INFO L428 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-08-13 03:23:57,843 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-13 03:23:57,843 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,843 INFO L428 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-08-13 03:23:57,843 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:23:57,844 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,845 INFO L147 QuantifierPusher]: treesize reduction 14, result has 87.3 percent of original size 96 [2021-08-13 03:23:57,846 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.3 percent of original size [2021-08-13 03:23:57,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 03:23:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:23:57,921 INFO L142 QuantifierPusher]: treesize reduction 18, result has 5.3 percent of original size [2021-08-13 03:23:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:57,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:23:57,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:23:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:23:57,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593957497] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:23:57,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:23:57,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:23:57,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389396330] [2021-08-13 03:23:57,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:23:57,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:23:57,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:23:57,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:23:57,924 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:23:57,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 3048 transitions, 263912 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:23:57,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:23:57,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:23:57,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:24:08,054 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][128], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 1699#true, 35#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:24:08,054 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:24:08,054 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:24:08,054 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:24:08,054 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:24:10,971 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][128], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 3602#true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:24:10,971 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:24:10,971 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:24:10,971 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:24:10,971 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:24:14,942 INFO L129 PetriNetUnfolder]: 6080/9601 cut-off events. [2021-08-13 03:24:14,942 INFO L130 PetriNetUnfolder]: For 65604/65784 co-relation queries the response was YES. [2021-08-13 03:24:14,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351333 conditions, 9601 events. 6080/9601 cut-off events. For 65604/65784 co-relation queries the response was YES. Maximal size of possible extension queue 752. Compared 64936 event pairs, 195 based on Foata normal form. 33/9604 useless extension candidates. Maximal degree in co-relation 350542. Up to 8033 conditions per place. [2021-08-13 03:24:15,139 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2699 selfloop transitions, 383 changer transitions 0/3095 dead transitions. [2021-08-13 03:24:15,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 732 places, 3095 transitions, 274136 flow [2021-08-13 03:24:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-13 03:24:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-13 03:24:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 689 transitions. [2021-08-13 03:24:15,148 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7919540229885057 [2021-08-13 03:24:15,148 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 689 transitions. [2021-08-13 03:24:15,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 689 transitions. [2021-08-13 03:24:15,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:24:15,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 689 transitions. [2021-08-13 03:24:15,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 22.966666666666665) internal successors, (689), 30 states have internal predecessors, (689), 0 states have call successors, (0), 0 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 03:24:15,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 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 03:24:15,150 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 29.0) internal successors, (899), 31 states have internal predecessors, (899), 0 states have call successors, (0), 0 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 03:24:15,150 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 700 predicate places. [2021-08-13 03:24:15,150 INFO L482 AbstractCegarLoop]: Abstraction has has 732 places, 3095 transitions, 274136 flow [2021-08-13 03:24:15,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:24:15,150 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:24:15,150 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] [2021-08-13 03:24:15,350 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-08-13 03:24:15,350 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:24:15,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:24:15,351 INFO L82 PathProgramCache]: Analyzing trace with hash 434305329, now seen corresponding path program 7 times [2021-08-13 03:24:15,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:24:15,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907151195] [2021-08-13 03:24:15,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:24:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:24:15,364 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:24:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:15,375 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:24:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:15,382 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-08-13 03:24:15,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:15,392 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 03:24:15,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:24:15,403 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-08-13 03:24:15,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:24:15,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-08-13 03:24:15,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:24:15,425 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-08-13 03:24:15,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,437 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:24:15,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:15,449 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:24:15,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:24:15,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:24:15,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:24:15,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907151195] [2021-08-13 03:24:15,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907151195] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:24:15,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764585831] [2021-08-13 03:24:15,462 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:24:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:24:15,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:24:15,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:24:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:15,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:15,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:15,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:15,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:15,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:15,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:15,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:15,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:15,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:24:15,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:15,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:15,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,545 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-08-13 03:24:15,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:24:15,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:15,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:15,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:15,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:15,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:15,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:24:15,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:15,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:15,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:24:15,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:15,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:15,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:24:15,594 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:24:15,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,595 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:24:15,595 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:24:15,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:15,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:24:15,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:15,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:24:15,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-08-13 03:24:15,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:15,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:15,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:15,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:15,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:15,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,652 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:24:15,652 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:24:15,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:15,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:24:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:24:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,654 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:24:15,654 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:15,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:24:15,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:15,722 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:24:15,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:15,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:15,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:15,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:15,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:24:15,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764585831] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:24:15,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:24:15,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:24:15,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571901804] [2021-08-13 03:24:15,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:24:15,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:24:15,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:24:15,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:24:15,725 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:24:15,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 732 places, 3095 transitions, 274136 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:24:15,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:24:15,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:24:15,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:24:25,351 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][152], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:24:25,351 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:24:25,351 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:24:25,351 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:24:25,351 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:24:28,023 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][152], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:24:28,024 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:24:28,024 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:24:28,024 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:24:28,024 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:24:32,111 INFO L129 PetriNetUnfolder]: 6081/9561 cut-off events. [2021-08-13 03:24:32,111 INFO L130 PetriNetUnfolder]: For 66043/66223 co-relation queries the response was YES. [2021-08-13 03:24:32,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359510 conditions, 9561 events. 6081/9561 cut-off events. For 66043/66223 co-relation queries the response was YES. Maximal size of possible extension queue 749. Compared 64211 event pairs, 183 based on Foata normal form. 33/9568 useless extension candidates. Maximal degree in co-relation 358719. Up to 8037 conditions per place. [2021-08-13 03:24:32,314 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2997 selfloop transitions, 93 changer transitions 0/3103 dead transitions. [2021-08-13 03:24:32,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 3103 transitions, 281032 flow [2021-08-13 03:24:32,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 03:24:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 03:24:32,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 385 transitions. [2021-08-13 03:24:32,317 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7809330628803245 [2021-08-13 03:24:32,317 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 385 transitions. [2021-08-13 03:24:32,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 385 transitions. [2021-08-13 03:24:32,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:24:32,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 385 transitions. [2021-08-13 03:24:32,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 22.647058823529413) internal successors, (385), 17 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 03:24:32,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:24:32,318 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 29.0) internal successors, (522), 18 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:24:32,318 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 716 predicate places. [2021-08-13 03:24:32,318 INFO L482 AbstractCegarLoop]: Abstraction has has 748 places, 3103 transitions, 281032 flow [2021-08-13 03:24:32,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:24:32,318 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:24:32,318 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] [2021-08-13 03:24:32,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2021-08-13 03:24:32,520 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:24:32,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:24:32,521 INFO L82 PathProgramCache]: Analyzing trace with hash -58821161, now seen corresponding path program 8 times [2021-08-13 03:24:32,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:24:32,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40598513] [2021-08-13 03:24:32,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:24:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:24:32,537 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:24:32,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:32,547 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:24:32,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:32,555 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-08-13 03:24:32,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:32,562 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-08-13 03:24:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:24:32,571 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-08-13 03:24:32,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:24:32,580 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-08-13 03:24:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:24:32,594 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-08-13 03:24:32,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:32,606 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:24:32,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,620 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:24:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:24:32,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:24:32,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:24:32,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40598513] [2021-08-13 03:24:32,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40598513] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:24:32,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726968307] [2021-08-13 03:24:32,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:24:32,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:24:32,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:24:32,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:24:32,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:24:32,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:32,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:32,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:24:32,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:24:32,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:24:32,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,682 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-08-13 03:24:32,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-08-13 03:24:32,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:24:32,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:24:32,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:24:32,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:24:32,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:24:32,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:24:32,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:24:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:32,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:32,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,710 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-08-13 03:24:32,711 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-08-13 03:24:32,711 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:24:32,711 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:24:32,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:32,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,729 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-08-13 03:24:32,729 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-08-13 03:24:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:32,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:24:32,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:32,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:32,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:24:32,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:32,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:32,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:24:32,757 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:24:32,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,758 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:24:32,759 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:24:32,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:32,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:24:32,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:32,769 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:24:32,769 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-08-13 03:24:32,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:32,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:32,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:24:32,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:32,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:32,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,814 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-08-13 03:24:32,814 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-08-13 03:24:32,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:32,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:24:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,816 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:24:32,817 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:32,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,824 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-08-13 03:24:32,825 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-08-13 03:24:32,825 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-08-13 03:24:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:24:32,877 INFO L142 QuantifierPusher]: treesize reduction 51, result has 1.9 percent of original size [2021-08-13 03:24:32,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:32,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:32,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:32,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:32,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:24:32,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726968307] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:24:32,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:24:32,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:24:32,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184538930] [2021-08-13 03:24:32,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:24:32,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:24:32,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:24:32,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:24:32,880 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:24:32,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 748 places, 3103 transitions, 281032 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:24:32,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:24:32,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:24:32,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:24:43,573 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 53#(<= i2 i1), 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:24:43,573 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:24:43,573 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:24:43,573 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:24:43,573 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:24:46,711 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][138], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 1465#true, 825#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 3941#true, 101#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:24:46,711 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:24:46,711 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:24:46,711 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:24:46,711 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:24:50,916 INFO L129 PetriNetUnfolder]: 6096/9627 cut-off events. [2021-08-13 03:24:50,917 INFO L130 PetriNetUnfolder]: For 70229/70637 co-relation queries the response was YES. [2021-08-13 03:24:50,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368381 conditions, 9627 events. 6096/9627 cut-off events. For 70229/70637 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 65131 event pairs, 182 based on Foata normal form. 42/9641 useless extension candidates. Maximal degree in co-relation 367574. Up to 8053 conditions per place. [2021-08-13 03:24:51,215 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2948 selfloop transitions, 152 changer transitions 0/3113 dead transitions. [2021-08-13 03:24:51,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 768 places, 3113 transitions, 288142 flow [2021-08-13 03:24:51,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 03:24:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-13 03:24:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 480 transitions. [2021-08-13 03:24:51,217 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7881773399014779 [2021-08-13 03:24:51,217 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 480 transitions. [2021-08-13 03:24:51,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 480 transitions. [2021-08-13 03:24:51,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:24:51,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 480 transitions. [2021-08-13 03:24:51,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 22.857142857142858) internal successors, (480), 21 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:24:51,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 03:24:51,218 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 29.0) internal successors, (638), 22 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 03:24:51,218 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 736 predicate places. [2021-08-13 03:24:51,218 INFO L482 AbstractCegarLoop]: Abstraction has has 768 places, 3113 transitions, 288142 flow [2021-08-13 03:24:51,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:24:51,219 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:24:51,219 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:24:51,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:24:51,435 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:24:51,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:24:51,435 INFO L82 PathProgramCache]: Analyzing trace with hash 757775095, now seen corresponding path program 4 times [2021-08-13 03:24:51,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:24:51,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709532151] [2021-08-13 03:24:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:24:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:24:51,464 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:24:51,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:24:51,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:24:51,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:51,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:24:51,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:24:51,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:24:51,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:24:51,528 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:24:51,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:51,539 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:24:51,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:24:51,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:24:51,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:24:51,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709532151] [2021-08-13 03:24:51,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709532151] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:24:51,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676548425] [2021-08-13 03:24:51,551 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:24:51,577 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:24:51,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:24:51,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:24:51,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:24:51,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:24:51,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:51,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:51,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:51,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:51,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:24:51,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:51,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:51,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:51,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:24:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:24:51,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,641 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:24:51,641 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:24:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:51,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:51,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:51,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:51,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:51,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:24:51,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:51,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:51,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:51,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:24:51,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:24:51,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:24:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:24:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:51,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:51,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:51,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:24:51,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:24:51,774 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:24:51,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,775 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:24:51,776 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:24:51,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:51,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:24:51,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:51,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:24:51,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:24:51,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:51,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:24:51,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,811 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:24:51,811 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:24:51,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:51,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:24:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:24:51,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,813 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:24:51,814 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:24:51,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:24:51,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:24:51,873 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:24:51,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:51,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:51,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:51,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:24:51,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:24:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:24:51,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676548425] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:24:51,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:24:51,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:24:51,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751787304] [2021-08-13 03:24:51,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:24:51,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:24:51,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:24:51,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:24:51,876 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:24:51,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 3113 transitions, 288142 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:24:51,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:24:51,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:24:51,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:25:04,254 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][143], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 3602#true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 3393#true, 1857#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 3941#true, 101#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:25:04,255 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:25:04,255 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:25:04,255 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:25:04,255 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:25:07,915 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][143], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 3602#true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:25:07,915 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:25:07,915 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:25:07,915 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:25:07,915 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:25:12,477 INFO L129 PetriNetUnfolder]: 6257/9909 cut-off events. [2021-08-13 03:25:12,477 INFO L130 PetriNetUnfolder]: For 72186/72598 co-relation queries the response was YES. [2021-08-13 03:25:12,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386649 conditions, 9909 events. 6257/9909 cut-off events. For 72186/72598 co-relation queries the response was YES. Maximal size of possible extension queue 772. Compared 67752 event pairs, 171 based on Foata normal form. 42/9918 useless extension candidates. Maximal degree in co-relation 385820. Up to 8269 conditions per place. [2021-08-13 03:25:12,694 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2796 selfloop transitions, 451 changer transitions 0/3260 dead transitions. [2021-08-13 03:25:12,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 3260 transitions, 308358 flow [2021-08-13 03:25:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-13 03:25:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-08-13 03:25:12,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 669 transitions. [2021-08-13 03:25:12,695 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7954815695600476 [2021-08-13 03:25:12,695 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 669 transitions. [2021-08-13 03:25:12,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 669 transitions. [2021-08-13 03:25:12,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:25:12,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 669 transitions. [2021-08-13 03:25:12,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 23.06896551724138) internal successors, (669), 29 states have internal predecessors, (669), 0 states have call successors, (0), 0 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 03:25:12,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 29.0) internal successors, (870), 30 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 03:25:12,696 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 29.0) internal successors, (870), 30 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 03:25:12,697 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 764 predicate places. [2021-08-13 03:25:12,697 INFO L482 AbstractCegarLoop]: Abstraction has has 796 places, 3260 transitions, 308358 flow [2021-08-13 03:25:12,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:25:12,697 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:25:12,697 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:25:12,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:25:12,905 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:25:12,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:25:12,905 INFO L82 PathProgramCache]: Analyzing trace with hash -401076313, now seen corresponding path program 8 times [2021-08-13 03:25:12,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:25:12,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182793466] [2021-08-13 03:25:12,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:25:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:25:12,925 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-08-13 03:25:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:12,930 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-08-13 03:25:12,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:25:12,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:12,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:12,945 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-08-13 03:25:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:25:12,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:12,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:25:12,966 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-08-13 03:25:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:25:12,980 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-08-13 03:25:12,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:25:12,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:12,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,005 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:25:13,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:25:13,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:25:13,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182793466] [2021-08-13 03:25:13,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182793466] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:25:13,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639489764] [2021-08-13 03:25:13,018 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:25:13,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 03:25:13,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:25:13,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:25:13,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:25:13,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:13,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:25:13,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:25:13,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:25:13,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:25:13,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:13,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,066 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:25:13,066 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:25:13,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:13,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:25:13,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:13,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:13,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:13,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:13,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:25:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:25:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:25:13,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:25:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:25:13,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-08-13 03:25:13,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:25:13,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:25:13,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:25:13,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:25:13,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:25:13,134 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-08-13 03:25:13,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:25:13,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:25:13,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,159 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-08-13 03:25:13,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-08-13 03:25:13,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:25:13,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:25:13,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:25:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,180 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-08-13 03:25:13,180 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-08-13 03:25:13,181 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:25:13,181 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:25:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:25:13,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:25:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,202 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:25:13,202 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:25:13,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:13,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:25:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:25:13,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,204 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:25:13,206 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:13,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,208 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-08-13 03:25:13,208 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-08-13 03:25:13,209 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-08-13 03:25:13,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:13,265 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:25:13,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:13,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:13,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:13,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:13,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:25:13,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639489764] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:25:13,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:25:13,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:25:13,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684141560] [2021-08-13 03:25:13,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:25:13,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:25:13,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:25:13,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:25:13,268 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:25:13,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 3260 transitions, 308358 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:25:13,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:25:13,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:25:13,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:25:28,595 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][145], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:25:28,595 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:25:28,595 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:25:28,595 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:25:28,595 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:25:33,004 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][145], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:25:33,005 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:25:33,005 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:25:33,005 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:25:33,005 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:25:38,654 INFO L129 PetriNetUnfolder]: 6296/10014 cut-off events. [2021-08-13 03:25:38,654 INFO L130 PetriNetUnfolder]: For 72834/73016 co-relation queries the response was YES. [2021-08-13 03:25:38,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 397454 conditions, 10014 events. 6296/10014 cut-off events. For 72834/73016 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 69200 event pairs, 199 based on Foata normal form. 33/10014 useless extension candidates. Maximal degree in co-relation 396615. Up to 8321 conditions per place. [2021-08-13 03:25:38,930 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2974 selfloop transitions, 327 changer transitions 0/3314 dead transitions. [2021-08-13 03:25:38,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 3314 transitions, 319962 flow [2021-08-13 03:25:38,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-13 03:25:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-13 03:25:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 512 transitions. [2021-08-13 03:25:38,931 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8025078369905956 [2021-08-13 03:25:38,931 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 512 transitions. [2021-08-13 03:25:38,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 512 transitions. [2021-08-13 03:25:38,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:25:38,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 512 transitions. [2021-08-13 03:25:38,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 23.272727272727273) internal successors, (512), 22 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:25:38,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 29.0) internal successors, (667), 23 states have internal predecessors, (667), 0 states have call successors, (0), 0 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 03:25:38,932 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 29.0) internal successors, (667), 23 states have internal predecessors, (667), 0 states have call successors, (0), 0 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 03:25:38,932 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 785 predicate places. [2021-08-13 03:25:38,932 INFO L482 AbstractCegarLoop]: Abstraction has has 817 places, 3314 transitions, 319962 flow [2021-08-13 03:25:38,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:25:38,932 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:25:38,932 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] [2021-08-13 03:25:39,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-08-13 03:25:39,133 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:25:39,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:25:39,133 INFO L82 PathProgramCache]: Analyzing trace with hash -850236799, now seen corresponding path program 9 times [2021-08-13 03:25:39,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:25:39,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126669203] [2021-08-13 03:25:39,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:25:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:25:39,155 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-08-13 03:25:39,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-08-13 03:25:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:25:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:39,177 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-08-13 03:25:39,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:25:39,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:25:39,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:25:39,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:39,229 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:25:39,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:25:39,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:25:39,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126669203] [2021-08-13 03:25:39,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126669203] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:25:39,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778156944] [2021-08-13 03:25:39,242 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:25:39,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-13 03:25:39,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:25:39,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:25:39,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:25:39,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:25:39,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:25:39,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:25:39,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:25:39,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:25:39,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,299 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-08-13 03:25:39,300 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-08-13 03:25:39,300 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-08-13 03:25:39,300 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-08-13 03:25:39,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:25:39,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:25:39,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:25:39,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:25:39,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:25:39,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:25:39,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,313 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-08-13 03:25:39,314 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-08-13 03:25:39,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:25:39,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:39,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:39,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:39,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:39,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:25:39,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:39,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:39,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:25:39,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,357 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-08-13 03:25:39,357 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-08-13 03:25:39,358 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-08-13 03:25:39,358 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-08-13 03:25:39,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:25:39,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:25:39,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:25:39,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:39,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:25:39,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:25:39,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:39,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:25:39,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:25:39,383 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:25:39,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,385 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:25:39,385 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:25:39,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:25:39,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:25:39,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:25:39,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:25:39,394 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:25:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:25:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:25:39,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,416 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:25:39,416 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:25:39,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:39,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:25:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:25:39,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,418 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:25:39,418 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:25:39,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,419 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 38 [2021-08-13 03:25:39,420 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-08-13 03:25:39,420 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-08-13 03:25:39,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:25:39,470 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:25:39,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:39,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:25:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:25:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:25:39,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778156944] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:25:39,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:25:39,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:25:39,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467521053] [2021-08-13 03:25:39,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:25:39,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:25:39,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:25:39,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:25:39,472 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:25:39,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 3314 transitions, 319962 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:25:39,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:25:39,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:25:39,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:25:56,434 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][133], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 4378#true, 156#true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:25:56,434 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:25:56,434 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:25:56,434 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:25:56,434 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:26:02,126 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][133], [1922#true, 515#true, 10#L49true, 2059#true, 15#L63true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 4378#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:26:02,127 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:26:02,127 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:26:02,127 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:26:02,127 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:26:09,317 INFO L129 PetriNetUnfolder]: 6384/10092 cut-off events. [2021-08-13 03:26:09,318 INFO L130 PetriNetUnfolder]: For 73144/73326 co-relation queries the response was YES. [2021-08-13 03:26:09,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 411789 conditions, 10092 events. 6384/10092 cut-off events. For 73144/73326 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 69042 event pairs, 216 based on Foata normal form. 33/10090 useless extension candidates. Maximal degree in co-relation 410930. Up to 8445 conditions per place. [2021-08-13 03:26:09,634 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 2958 selfloop transitions, 425 changer transitions 0/3396 dead transitions. [2021-08-13 03:26:09,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 3396 transitions, 334748 flow [2021-08-13 03:26:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-13 03:26:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-08-13 03:26:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 540 transitions. [2021-08-13 03:26:09,635 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8095952023988006 [2021-08-13 03:26:09,635 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 540 transitions. [2021-08-13 03:26:09,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 540 transitions. [2021-08-13 03:26:09,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:26:09,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 540 transitions. [2021-08-13 03:26:09,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 23.47826086956522) internal successors, (540), 23 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:26:09,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:26:09,636 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 29.0) internal successors, (696), 24 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:26:09,637 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 807 predicate places. [2021-08-13 03:26:09,637 INFO L482 AbstractCegarLoop]: Abstraction has has 839 places, 3396 transitions, 334748 flow [2021-08-13 03:26:09,637 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:26:09,637 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:26:09,637 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:26:09,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:26:09,845 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:26:09,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:26:09,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1998403759, now seen corresponding path program 5 times [2021-08-13 03:26:09,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:26:09,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954698174] [2021-08-13 03:26:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:26:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:26:09,859 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:26:09,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:26:09,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:26:09,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:26:09,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:09,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:26:09,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:26:09,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:26:09,921 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:26:09,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:09,934 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:26:09,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:26:09,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:26:09,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:26:09,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954698174] [2021-08-13 03:26:09,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954698174] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:26:09,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046926105] [2021-08-13 03:26:09,948 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:26:09,979 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-13 03:26:09,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:26:09,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:26:09,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:26:09,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:09,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:09,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:09,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:10,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:26:10,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:26:10,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:26:10,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:26:10,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:10,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:10,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:10,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:10,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,043 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-08-13 03:26:10,044 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-08-13 03:26:10,044 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:26:10,044 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:26:10,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:10,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,061 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-08-13 03:26:10,061 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-08-13 03:26:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:26:10,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:26:10,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:26:10,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:26:10,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:26:10,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:26:10,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:26:10,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:10,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:10,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:10,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:10,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:10,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:10,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:10,106 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:26:10,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,107 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:26:10,107 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:26:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:10,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:26:10,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:10,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:26:10,118 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:26:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:10,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,141 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:26:10,141 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:26:10,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:10,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:26:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:26:10,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,143 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:26:10,144 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:10,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:26:10,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:10,204 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:26:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:10,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:10,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:26:10,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046926105] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:26:10,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:26:10,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:26:10,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651098839] [2021-08-13 03:26:10,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:26:10,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:26:10,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:26:10,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:26:10,207 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:26:10,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 839 places, 3396 transitions, 334748 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:26:10,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:26:10,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:26:10,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:26:28,753 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][144], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 2730#true, 42#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:26:28,754 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:26:28,754 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:26:28,754 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:26:28,754 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:26:34,498 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][144], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true]) [2021-08-13 03:26:34,498 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:26:34,498 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:26:34,498 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:26:34,498 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:26:42,390 INFO L129 PetriNetUnfolder]: 6484/10344 cut-off events. [2021-08-13 03:26:42,391 INFO L130 PetriNetUnfolder]: For 82865/83423 co-relation queries the response was YES. [2021-08-13 03:26:42,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427066 conditions, 10344 events. 6484/10344 cut-off events. For 82865/83423 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 72138 event pairs, 148 based on Foata normal form. 55/10363 useless extension candidates. Maximal degree in co-relation 426195. Up to 8577 conditions per place. [2021-08-13 03:26:42,639 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3027 selfloop transitions, 457 changer transitions 0/3497 dead transitions. [2021-08-13 03:26:42,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 3497 transitions, 351798 flow [2021-08-13 03:26:42,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-13 03:26:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-08-13 03:26:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 712 transitions. [2021-08-13 03:26:42,639 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7919911012235817 [2021-08-13 03:26:42,639 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 712 transitions. [2021-08-13 03:26:42,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 712 transitions. [2021-08-13 03:26:42,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:26:42,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 712 transitions. [2021-08-13 03:26:42,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 22.967741935483872) internal successors, (712), 31 states have internal predecessors, (712), 0 states have call successors, (0), 0 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 03:26:42,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 03:26:42,641 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 29.0) internal successors, (928), 32 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 03:26:42,641 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 837 predicate places. [2021-08-13 03:26:42,641 INFO L482 AbstractCegarLoop]: Abstraction has has 869 places, 3497 transitions, 351798 flow [2021-08-13 03:26:42,641 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:26:42,641 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:26:42,642 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:26:42,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,52 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:26:42,857 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:26:42,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:26:42,858 INFO L82 PathProgramCache]: Analyzing trace with hash -575026567, now seen corresponding path program 7 times [2021-08-13 03:26:42,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:26:42,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304749281] [2021-08-13 03:26:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:26:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:26:42,869 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:26:42,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:26:42,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:26:42,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:26:42,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:26:42,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:26:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:26:42,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:26:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:42,936 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:26:42,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:26:42,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:26:42,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:26:42,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304749281] [2021-08-13 03:26:42,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304749281] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:26:42,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750464921] [2021-08-13 03:26:42,948 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:26:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:26:42,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:26:42,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:26:42,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:26:42,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:42,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:42,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:42,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:42,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:26:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,003 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:26:43,003 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:26:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:43,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:26:43,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:43,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:43,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:43,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:43,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:26:43,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,037 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-08-13 03:26:43,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:26:43,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:26:43,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:26:43,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:26:43,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:26:43,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:26:43,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,072 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-08-13 03:26:43,072 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size [2021-08-13 03:26:43,072 INFO L147 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size 15 [2021-08-13 03:26:43,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-08-13 03:26:43,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:26:43,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:26:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:43,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:43,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:43,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:26:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:26:43,100 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:26:43,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,101 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:26:43,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:26:43,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:43,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:26:43,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:43,111 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:26:43,111 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:29 [2021-08-13 03:26:43,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:43,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:26:43,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,133 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:26:43,133 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:26:43,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:43,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:26:43,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:26:43,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,135 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:26:43,135 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:26:43,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:26:43,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:26:43,188 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:26:43,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:43,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:43,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:43,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:26:43,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:26:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:26:43,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750464921] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:26:43,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:26:43,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:26:43,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387939413] [2021-08-13 03:26:43,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:26:43,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:26:43,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:26:43,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:26:43,190 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:26:43,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 869 places, 3497 transitions, 351798 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:26:43,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:26:43,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:26:43,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:27:01,056 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][129], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:27:01,056 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:27:01,056 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:27:01,056 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:27:01,056 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:27:06,584 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][129], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 3602#true, 2835#true, 2197#true, 21#L79true, 663#true, 4378#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:27:06,584 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:27:06,584 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:27:06,584 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:27:06,584 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:27:14,662 INFO L129 PetriNetUnfolder]: 6548/10467 cut-off events. [2021-08-13 03:27:14,662 INFO L130 PetriNetUnfolder]: For 79506/79688 co-relation queries the response was YES. [2021-08-13 03:27:14,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439995 conditions, 10467 events. 6548/10467 cut-off events. For 79506/79688 co-relation queries the response was YES. Maximal size of possible extension queue 837. Compared 73506 event pairs, 205 based on Foata normal form. 33/10460 useless extension candidates. Maximal degree in co-relation 439108. Up to 8661 conditions per place. [2021-08-13 03:27:14,910 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3052 selfloop transitions, 487 changer transitions 0/3552 dead transitions. [2021-08-13 03:27:14,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 903 places, 3552 transitions, 364466 flow [2021-08-13 03:27:14,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-13 03:27:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-08-13 03:27:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 803 transitions. [2021-08-13 03:27:14,911 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7911330049261084 [2021-08-13 03:27:14,911 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 803 transitions. [2021-08-13 03:27:14,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 803 transitions. [2021-08-13 03:27:14,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:27:14,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 803 transitions. [2021-08-13 03:27:14,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 22.942857142857143) internal successors, (803), 35 states have internal predecessors, (803), 0 states have call successors, (0), 0 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 03:27:14,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 29.0) internal successors, (1044), 36 states have internal predecessors, (1044), 0 states have call successors, (0), 0 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 03:27:14,913 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 29.0) internal successors, (1044), 36 states have internal predecessors, (1044), 0 states have call successors, (0), 0 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 03:27:14,913 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 871 predicate places. [2021-08-13 03:27:14,914 INFO L482 AbstractCegarLoop]: Abstraction has has 903 places, 3552 transitions, 364466 flow [2021-08-13 03:27:14,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:27:14,914 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:27:14,914 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] [2021-08-13 03:27:15,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:27:15,114 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:27:15,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:27:15,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1574775285, now seen corresponding path program 10 times [2021-08-13 03:27:15,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:27:15,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795642136] [2021-08-13 03:27:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:27:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:27:15,130 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:27:15,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,141 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:27:15,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:15,148 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-08-13 03:27:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,158 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 03:27:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:27:15,170 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-08-13 03:27:15,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:27:15,184 INFO L142 QuantifierPusher]: treesize reduction 35, result has 34.0 percent of original size [2021-08-13 03:27:15,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:15,197 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-08-13 03:27:15,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:15,210 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:27:15,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:27:15,223 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:27:15,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:27:15,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:27:15,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:27:15,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795642136] [2021-08-13 03:27:15,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795642136] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:27:15,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325966013] [2021-08-13 03:27:15,235 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:27:15,260 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 03:27:15,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:27:15,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:27:15,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:27:15,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:15,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,272 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:27:15,273 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-08-13 03:27:15,273 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-08-13 03:27:15,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-08-13 03:27:15,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:27:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:27:15,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:15,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:15,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:15,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:15,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,318 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:27:15,318 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-08-13 03:27:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:15,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:27:15,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:15,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:15,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:27:15,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:15,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:15,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:27:15,352 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-08-13 03:27:15,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:27:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:27:15,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:27:15,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:27:15,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:27:15,364 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:31 [2021-08-13 03:27:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:27:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:27:15,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,385 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-08-13 03:27:15,385 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-08-13 03:27:15,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:27:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:27:15,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:27:15,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,406 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-08-13 03:27:15,406 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-08-13 03:27:15,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:15,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,434 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:27:15,435 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:27:15,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:15,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:27:15,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:27:15,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,436 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:27:15,437 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:15,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:27:15,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:27:15,480 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:27:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:27:15,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325966013] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:27:15,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:27:15,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:27:15,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651162436] [2021-08-13 03:27:15,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:27:15,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:27:15,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:27:15,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:27:15,482 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:27:15,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 903 places, 3552 transitions, 364466 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:27:15,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:27:15,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:27:15,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:27:33,638 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][127], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 2730#true, 42#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:27:33,639 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:27:33,639 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:27:33,639 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:27:33,639 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:27:39,490 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][127], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:27:39,490 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:27:39,490 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:27:39,490 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:27:39,490 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:27:47,428 INFO L129 PetriNetUnfolder]: 6564/10482 cut-off events. [2021-08-13 03:27:47,428 INFO L130 PetriNetUnfolder]: For 87308/87892 co-relation queries the response was YES. [2021-08-13 03:27:47,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449532 conditions, 10482 events. 6564/10482 cut-off events. For 87308/87892 co-relation queries the response was YES. Maximal size of possible extension queue 850. Compared 73467 event pairs, 170 based on Foata normal form. 55/10497 useless extension candidates. Maximal degree in co-relation 448625. Up to 8677 conditions per place. [2021-08-13 03:27:47,689 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3422 selfloop transitions, 133 changer transitions 0/3568 dead transitions. [2021-08-13 03:27:47,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 920 places, 3568 transitions, 373232 flow [2021-08-13 03:27:47,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 03:27:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 03:27:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 414 transitions. [2021-08-13 03:27:47,691 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7931034482758621 [2021-08-13 03:27:47,691 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 414 transitions. [2021-08-13 03:27:47,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 414 transitions. [2021-08-13 03:27:47,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:27:47,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 414 transitions. [2021-08-13 03:27:47,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.0) internal successors, (414), 18 states have internal predecessors, (414), 0 states have call successors, (0), 0 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 03:27:47,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:27:47,692 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 29.0) internal successors, (551), 19 states have internal predecessors, (551), 0 states have call successors, (0), 0 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 03:27:47,692 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 888 predicate places. [2021-08-13 03:27:47,692 INFO L482 AbstractCegarLoop]: Abstraction has has 920 places, 3568 transitions, 373232 flow [2021-08-13 03:27:47,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:27:47,692 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:27:47,692 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:27:47,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-08-13 03:27:47,893 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:27:47,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:27:47,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1399106105, now seen corresponding path program 9 times [2021-08-13 03:27:47,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:27:47,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827237987] [2021-08-13 03:27:47,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:27:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:27:47,905 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:27:47,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:27:47,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:47,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:27:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:27:47,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:27:47,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:47,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:27:47,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:27:47,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:47,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:27:48,065 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:27:48,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:27:48,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:27:48,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:27:48,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827237987] [2021-08-13 03:27:48,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827237987] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:27:48,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853513137] [2021-08-13 03:27:48,078 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 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:27:48,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-13 03:27:48,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:27:48,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:27:48,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:27:48,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:27:48,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:48,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:48,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:48,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:27:48,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,138 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:27:48,138 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:27:48,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:27:48,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:27:48,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:48,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:48,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:27:48,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,169 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-08-13 03:27:48,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-08-13 03:27:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:27:48,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:48,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:48,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:48,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:48,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:48,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:48,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:48,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:27:48,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:27:48,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:48,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:48,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:27:48,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:48,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:27:48,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:27:48,220 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:27:48,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,221 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:27:48,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:27:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:48,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:27:48,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:27:48,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:27:48,231 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-08-13 03:27:48,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:27:48,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:27:48,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:27:48,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:48,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:48,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:27:48,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,280 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-08-13 03:27:48,280 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-08-13 03:27:48,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:48,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:27:48,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:27:48,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,282 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:27:48,282 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:27:48,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-08-13 03:27:48,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-13 03:27:48,335 INFO L142 QuantifierPusher]: treesize reduction 49, result has 2.0 percent of original size [2021-08-13 03:27:48,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:48,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:48,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:48,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:27:48,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:27:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:27:48,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853513137] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:27:48,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:27:48,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:27:48,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214218471] [2021-08-13 03:27:48,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:27:48,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:27:48,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:27:48,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:27:48,337 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:27:48,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 920 places, 3568 transitions, 373232 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:27:48,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:27:48,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:27:48,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:28:08,383 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][132], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 1063#true, 39#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 4834#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:28:08,384 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:28:08,384 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:28:08,384 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:28:08,384 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:28:14,615 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][132], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 3602#true, 18#L36true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 3497#true, 41#true, 42#true, 2730#true, 2604#true, 4272#true, 304#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 3393#true, 1857#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 2394#true, 2270#true, 4834#true, 740#true, 3941#true, 101#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 4607#true, 2943#true]) [2021-08-13 03:28:14,615 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:28:14,615 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:28:14,615 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:28:14,615 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:28:23,140 INFO L129 PetriNetUnfolder]: 6574/10449 cut-off events. [2021-08-13 03:28:23,141 INFO L130 PetriNetUnfolder]: For 83521/83945 co-relation queries the response was YES. [2021-08-13 03:28:23,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 459237 conditions, 10449 events. 6574/10449 cut-off events. For 83521/83945 co-relation queries the response was YES. Maximal size of possible extension queue 825. Compared 72553 event pairs, 181 based on Foata normal form. 42/10449 useless extension candidates. Maximal degree in co-relation 458314. Up to 8697 conditions per place. [2021-08-13 03:28:23,450 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3142 selfloop transitions, 427 changer transitions 0/3582 dead transitions. [2021-08-13 03:28:23,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 3582 transitions, 381852 flow [2021-08-13 03:28:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-13 03:28:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-08-13 03:28:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 747 transitions. [2021-08-13 03:28:23,452 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.780564263322884 [2021-08-13 03:28:23,452 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 747 transitions. [2021-08-13 03:28:23,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 747 transitions. [2021-08-13 03:28:23,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:28:23,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 747 transitions. [2021-08-13 03:28:23,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 22.636363636363637) internal successors, (747), 33 states have internal predecessors, (747), 0 states have call successors, (0), 0 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 03:28:23,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 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 03:28:23,453 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 29.0) internal successors, (986), 34 states have internal predecessors, (986), 0 states have call successors, (0), 0 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 03:28:23,453 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 920 predicate places. [2021-08-13 03:28:23,454 INFO L482 AbstractCegarLoop]: Abstraction has has 952 places, 3582 transitions, 381852 flow [2021-08-13 03:28:23,454 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:28:23,454 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:28:23,454 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] [2021-08-13 03:28:23,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-08-13 03:28:23,661 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:28:23,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:28:23,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1253755809, now seen corresponding path program 11 times [2021-08-13 03:28:23,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:28:23,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635484175] [2021-08-13 03:28:23,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:28:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:28:23,705 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-08-13 03:28:23,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:28:23,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:28:23,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:28:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:28:23,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,744 INFO L142 QuantifierPusher]: treesize reduction 27, result has 48.1 percent of original size [2021-08-13 03:28:23,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:28:23,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:28:23,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:28:23,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-08-13 03:28:23,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:28:23,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:28:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:28:23,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:28:23,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635484175] [2021-08-13 03:28:23,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635484175] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:28:23,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517744461] [2021-08-13 03:28:23,803 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:28:23,829 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-13 03:28:23,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:28:23,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjunts are in the unsatisfiable core [2021-08-13 03:28:23,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:28:23,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:28:23,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:28:23,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:28:23,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:28:23,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:28:23,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,864 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-08-13 03:28:23,865 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-08-13 03:28:23,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:28:23,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:28:23,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:28:23,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:28:23,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:28:23,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:28:23,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:28:23,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 03:28:23,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:28:23,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:28:23,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:28:23,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:28:23,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 03:28:23,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:28:23,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:28:23,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:28:23,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:28:23,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:28:23,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:28:23,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-13 03:28:23,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-13 03:28:23,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-08-13 03:28:23,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:28:23,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,946 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-08-13 03:28:23,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:28:23,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:28:23,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:12 [2021-08-13 03:28:23,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:28:23,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:28:23,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,961 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-08-13 03:28:23,962 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-08-13 03:28:23,962 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-08-13 03:28:23,962 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-08-13 03:28:23,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:28:23,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:28:23,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:23,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:23,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:28:24,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:28:24,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:28:24,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:28:24,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:28:24,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:28:24,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:28:24,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517744461] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:28:24,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:28:24,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-08-13 03:28:24,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769581302] [2021-08-13 03:28:24,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-13 03:28:24,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:28:24,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-13 03:28:24,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-08-13 03:28:24,006 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:28:24,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 3582 transitions, 381852 flow. Second operand has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:28:24,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:28:24,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:28:24,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:28:45,328 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][183], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 4951#true, 2394#true, 2270#true, 4834#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:28:45,328 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:28:45,328 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:28:45,328 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:28:45,329 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:28:51,762 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][183], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 29#L23true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 4951#true, 2394#true, 2270#true, 4834#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:28:51,762 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:28:51,762 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:28:51,762 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:28:51,762 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:29:00,870 INFO L129 PetriNetUnfolder]: 6702/10674 cut-off events. [2021-08-13 03:29:00,870 INFO L130 PetriNetUnfolder]: For 85946/86374 co-relation queries the response was YES. [2021-08-13 03:29:00,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 476661 conditions, 10674 events. 6702/10674 cut-off events. For 85946/86374 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 74494 event pairs, 188 based on Foata normal form. 35/10667 useless extension candidates. Maximal degree in co-relation 475720. Up to 8857 conditions per place. [2021-08-13 03:29:01,135 INFO L132 encePairwiseOnDemand]: 19/29 looper letters, 3226 selfloop transitions, 418 changer transitions 0/3657 dead transitions. [2021-08-13 03:29:01,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 3657 transitions, 397160 flow [2021-08-13 03:29:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-13 03:29:01,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-08-13 03:29:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 738 transitions. [2021-08-13 03:29:01,136 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7952586206896551 [2021-08-13 03:29:01,136 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 738 transitions. [2021-08-13 03:29:01,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 738 transitions. [2021-08-13 03:29:01,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:29:01,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 738 transitions. [2021-08-13 03:29:01,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 23.0625) internal successors, (738), 32 states have internal predecessors, (738), 0 states have call successors, (0), 0 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 03:29:01,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 29.0) internal successors, (957), 33 states have internal predecessors, (957), 0 states have call successors, (0), 0 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 03:29:01,138 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 29.0) internal successors, (957), 33 states have internal predecessors, (957), 0 states have call successors, (0), 0 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 03:29:01,138 INFO L348 CegarLoopForPetriNet]: 32 programPoint places, 951 predicate places. [2021-08-13 03:29:01,138 INFO L482 AbstractCegarLoop]: Abstraction has has 983 places, 3657 transitions, 397160 flow [2021-08-13 03:29:01,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 19.0) internal successors, (380), 20 states have internal predecessors, (380), 0 states have call successors, (0), 0 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 03:29:01,138 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:29:01,138 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] [2021-08-13 03:29:01,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:29:01,339 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:29:01,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:29:01,339 INFO L82 PathProgramCache]: Analyzing trace with hash -777097867, now seen corresponding path program 12 times [2021-08-13 03:29:01,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:29:01,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30097333] [2021-08-13 03:29:01,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:29:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:29:01,352 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-08-13 03:29:01,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,362 INFO L142 QuantifierPusher]: treesize reduction 20, result has 50.0 percent of original size [2021-08-13 03:29:01,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:29:01,369 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-08-13 03:29:01,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:29:01,376 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-08-13 03:29:01,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:29:01,384 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-08-13 03:29:01,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 03:29:01,393 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-08-13 03:29:01,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 03:29:01,408 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-08-13 03:29:01,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:29:01,419 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-08-13 03:29:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:29:01,430 INFO L142 QuantifierPusher]: treesize reduction 24, result has 36.8 percent of original size [2021-08-13 03:29:01,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 03:29:01,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:29:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:29:01,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:29:01,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30097333] [2021-08-13 03:29:01,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30097333] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:29:01,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145172095] [2021-08-13 03:29:01,445 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:29:01,473 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-13 03:29:01,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:29:01,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-13 03:29:01,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:29:01,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:29:01,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,479 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-08-13 03:29:01,480 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-08-13 03:29:01,480 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-08-13 03:29:01,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-08-13 03:29:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:29:01,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 03:29:01,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,492 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-08-13 03:29:01,492 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-08-13 03:29:01,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:29:01,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:29:01,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:29:01,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:29:01,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:29:01,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:29:01,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:29:01,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:29:01,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 03:29:01,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,524 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-08-13 03:29:01,524 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-08-13 03:29:01,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:29:01,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 03:29:01,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:29:01,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:29:01,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:29:01,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:29:01,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:29:01,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:29:01,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:29:01,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:29:01,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:29:01,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:29:01,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:29:01,567 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-08-13 03:29:01,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,568 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size 29 [2021-08-13 03:29:01,569 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-08-13 03:29:01,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:29:01,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-13 03:29:01,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:29:01,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-13 03:29:01,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:32 [2021-08-13 03:29:01,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:29:01,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:29:01,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-13 03:29:01,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:29:01,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:29:01,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:29:01,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,627 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-08-13 03:29:01,628 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-08-13 03:29:01,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:29:01,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-13 03:29:01,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:29:01,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,629 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-13 03:29:01,630 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:29:01,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 03:29:01,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 03:29:01,680 INFO L142 QuantifierPusher]: treesize reduction 53, result has 1.9 percent of original size [2021-08-13 03:29:01,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:29:01,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:29:01,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:29:01,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:29:01,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:29:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:29:01,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145172095] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:29:01,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:29:01,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-13 03:29:01,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335659792] [2021-08-13 03:29:01,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-13 03:29:01,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:29:01,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-13 03:29:01,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-08-13 03:29:01,683 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 29 [2021-08-13 03:29:01,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 3657 transitions, 397160 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 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 03:29:01,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:29:01,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 29 [2021-08-13 03:29:01,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:29:08,267 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2021-08-13 03:29:22,363 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][157], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 17#L24true, 18#L36true, 3602#true, 2835#true, 21#L79true, 2197#true, 663#true, 4378#true, 156#true, 35#true, 1699#true, 1316#true, 37#true, 39#true, 1063#true, 41#true, 3497#true, 42#true, 2730#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 5064#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 4951#true, 2394#true, 2270#true, 4834#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:29:22,363 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:29:22,363 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:29:22,363 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:29:22,363 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:29:29,030 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([88] L62-->L63: Formula: (and (= v_i2_23 (+ v_i2_24 1)) (< v_i2_24 v_n_14) (= (select v_x_17 v_i2_23) v_t22_3)) InVars {x=v_x_17, i2=v_i2_24, n=v_n_14} OutVars{t22=v_t22_3, x=v_x_17, i2=v_i2_23, n=v_n_14} AuxVars[] AssignedVars[t22, i2][157], [1922#true, 515#true, 4484#true, 10#L49true, 2059#true, 15#L63true, 3602#true, 18#L36true, 2835#true, 2197#true, 21#L79true, 663#true, 4378#true, 156#true, 29#L23true, 1699#true, 35#true, 1316#true, 37#true, 1063#true, 39#true, 3497#true, 41#true, 2730#true, 42#true, 2604#true, 304#true, 4272#true, 53#(<= i2 i1), 4151#true, 825#true, 1465#true, 443#true, 1857#true, 3393#true, 2500#true, 582#true, 5064#true, 1225#true, 1610#true, 1995#(<= (+ i2 1) i1), 4045#true, 3281#true, 978#true, 2134#(<= i2 i1), 4951#true, 2394#true, 2270#true, 4834#true, 740#true, 101#true, 3941#true, 3175#true, 233#true, 1386#true, 3824#true, 1778#true, 371#true, 3060#true, 1144#true, 4730#true, 1531#true, 3708#true, 893#true, 2943#true, 4607#true]) [2021-08-13 03:29:29,030 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:29:29,030 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 03:29:29,030 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:29:29,030 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event Received shutdown request... [2021-08-13 03:29:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-13 03:29:32,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-08-13 03:29:32,014 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 03:29:32,016 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 03:29:32,017 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 03:29:32,017 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 03:29:32 BasicIcfg [2021-08-13 03:29:32,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 03:29:32,017 INFO L168 Benchmark]: Toolchain (without parser) took 550573.88 ms. Allocated memory was 172.0 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 153.1 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 8.0 GB. [2021-08-13 03:29:32,018 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 172.0 MB. Free memory was 154.4 MB in the beginning and 154.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 03:29:32,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.65 ms. Allocated memory is still 172.0 MB. Free memory was 153.1 MB in the beginning and 151.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 03:29:32,018 INFO L168 Benchmark]: Boogie Preprocessor took 10.50 ms. Allocated memory is still 172.0 MB. Free memory was 151.7 MB in the beginning and 150.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 03:29:32,018 INFO L168 Benchmark]: RCFGBuilder took 295.99 ms. Allocated memory is still 172.0 MB. Free memory was 150.6 MB in the beginning and 135.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-13 03:29:32,018 INFO L168 Benchmark]: TraceAbstraction took 550241.90 ms. Allocated memory was 172.0 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 134.9 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 8.0 GB. [2021-08-13 03:29:32,018 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 0.12 ms. Allocated memory is still 172.0 MB. Free memory was 154.4 MB in the beginning and 154.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.65 ms. Allocated memory is still 172.0 MB. Free memory was 153.1 MB in the beginning and 151.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.50 ms. Allocated memory is still 172.0 MB. Free memory was 151.7 MB in the beginning and 150.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 295.99 ms. Allocated memory is still 172.0 MB. Free memory was 150.6 MB in the beginning and 135.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 550241.90 ms. Allocated memory was 172.0 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 134.9 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 18/29 universal loopers) in iteration 57,while PetriNetUnfolder was constructing finite prefix that currently has 391672 conditions, 8150 events (5336/8149 cut-off events. For 64266/64926 co-relation queries the response was YES. Maximal size of possible extension queue 860. Compared 56510 event pairs, 93 based on Foata normal form. 62/8716 useless extension candidates. Maximal degree in co-relation 391538. Up to 7156 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 42 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 550131.5ms, OverallIterations: 57, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 521673.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 45.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 166 SDtfs, 483 SDslu, 64 SDs, 0 SdLazy, 23351 SolverSat, 2447 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9364.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2001 GetRequests, 813 SyntacticMatches, 31 SemanticMatches, 1157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5652 ImplicationChecksByTransitivity, 21988.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=397160occurred in iteration=56, InterpolantAutomatonStates: 1007, 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: 261.9ms SsaConstructionTime, 752.1ms SatisfiabilityAnalysisTime, 14188.7ms InterpolantComputationTime, 2359 NumberOfCodeBlocks, 2359 NumberOfCodeBlocksAsserted, 169 NumberOfCheckSat, 2246 ConstructedInterpolants, 3 QuantifiedInterpolants, 35241 SizeOfPredicates, 311 NumberOfNonLiveVariables, 4522 ConjunctsInSsa, 1284 ConjunctsInUnsatCore, 113 InterpolantComputations, 5 PerfectInterpolantSequences, 17/392 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