/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.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-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 15:15:28,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 15:15:28,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 15:15:28,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 15:15:28,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 15:15:28,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 15:15:28,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 15:15:28,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 15:15:28,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 15:15:28,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 15:15:28,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 15:15:28,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 15:15:28,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 15:15:28,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 15:15:28,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 15:15:28,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 15:15:28,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 15:15:28,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 15:15:28,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 15:15:28,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 15:15:28,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 15:15:28,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 15:15:28,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 15:15:28,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 15:15:28,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 15:15:28,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 15:15:28,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 15:15:28,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 15:15:28,364 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 15:15:28,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 15:15:28,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 15:15:28,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 15:15:28,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 15:15:28,402 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 15:15:28,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 15:15:28,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 15:15:28,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 15:15:28,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 15:15:28,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 15:15:28,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 15:15:28,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 15:15:28,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 15:15:28,408 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 15:15:28,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 15:15:28,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 15:15:28,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 15:15:28,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 15:15:28,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 15:15:28,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 15:15:28,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 15:15:28,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 15:15:28,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 15:15:28,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 15:15:28,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 15:15:28,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 15:15:28,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 15:15:28,410 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 15:15:28,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 15:15:28,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 15:15:28,411 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 15:15:28,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 15:15:28,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 15:15:28,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 15:15:28,772 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 15:15:28,775 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 15:15:28,776 INFO L432 ainManager$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 [2021-03-26 15:15:28,777 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2021-03-26 15:15:28,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 15:15:28,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 15:15:28,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 15:15:28,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 15:15:28,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 15:15:28,838 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,845 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 15:15:28,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 15:15:28,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 15:15:28,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 15:15:28,859 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,860 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,861 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,862 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,870 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,873 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,875 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 26.03 03:15:28" (1/1) ... [2021-03-26 15:15:28,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 15:15:28,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 15:15:28,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 15:15:28,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 15:15:28,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:15:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 15:15:28,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 15:15:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 15:15:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 15:15:28,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 15:15:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 15:15:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 15:15:28,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 15:15:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 15:15:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 15:15:28,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 15:15:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 15:15:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 15:15:28,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 15:15:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 15:15:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 15:15:28,948 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 15:15:29,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 15:15:29,190 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-26 15:15:29,191 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-26 15:15:29,191 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-03-26 15:15:29,192 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-03-26 15:15:29,192 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-03-26 15:15:29,193 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:15:29 BoogieIcfgContainer [2021-03-26 15:15:29,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 15:15:29,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 15:15:29,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 15:15:29,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 15:15:29,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:15:28" (1/2) ... [2021-03-26 15:15:29,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a726e81 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:15:29, skipping insertion in model container [2021-03-26 15:15:29,198 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 26.03 03:15:29" (2/2) ... [2021-03-26 15:15:29,199 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2021-03-26 15:15:29,203 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 15:15:29,206 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 15:15:29,206 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 15:15:29,258 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 15:15:29,274 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 15:15:29,292 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 15:15:29,292 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 15:15:29,292 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 15:15:29,292 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 15:15:29,292 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 15:15:29,292 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 15:15:29,292 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 15:15:29,292 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 15:15:29,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 90 flow [2021-03-26 15:15:29,327 INFO L129 PetriNetUnfolder]: 4/25 cut-off events. [2021-03-26 15:15:29,327 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 15:15:29,330 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. [2021-03-26 15:15:29,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 29 transitions, 90 flow [2021-03-26 15:15:29,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 23 transitions, 70 flow [2021-03-26 15:15:29,335 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:29,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-26 15:15:29,351 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-26 15:15:29,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 70 flow [2021-03-26 15:15:29,361 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-26 15:15:29,361 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 15:15:29,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 23 events. 4/23 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 29 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-26 15:15:29,368 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-26 15:15:29,660 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-26 15:15:29,660 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 15:15:29,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 328 [2021-03-26 15:15:29,683 INFO L129 PetriNetUnfolder]: 4/17 cut-off events. [2021-03-26 15:15:29,683 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 15:15:29,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:29,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:29,684 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:29,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:29,689 INFO L82 PathProgramCache]: Analyzing trace with hash -2009852297, now seen corresponding path program 1 times [2021-03-26 15:15:29,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:29,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356016861] [2021-03-26 15:15:29,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:29,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:29,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:29,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356016861] [2021-03-26 15:15:29,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:15:29,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 15:15:29,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503611606] [2021-03-26 15:15:29,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 15:15:29,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:29,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 15:15:29,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 15:15:29,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:29,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 60 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) [2021-03-26 15:15:29,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:29,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:29,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:29,863 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][16], [18#L36true, thread4Thread1of1ForFork3InUse, 21#L79true, thread2Thread1of1ForFork1InUse, thread1Thread1of1ForFork0InUse, 9#L62true, thread3Thread1of1ForFork2InUse, 42#true, 10#L49true, 29#L23true]) [2021-03-26 15:15:29,863 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,863 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,863 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,863 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,869 INFO L129 PetriNetUnfolder]: 19/45 cut-off events. [2021-03-26 15:15:29,869 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-26 15:15:29,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 45 events. 19/45 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 64. Up to 22 conditions per place. [2021-03-26 15:15:29,871 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 5 selfloop transitions, 5 changer transitions 0/22 dead transitions. [2021-03-26 15:15:29,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 22 transitions, 88 flow [2021-03-26 15:15:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 15:15:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 15:15:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2021-03-26 15:15:29,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2021-03-26 15:15:29,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 77 transitions. [2021-03-26 15:15:29,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 77 transitions. [2021-03-26 15:15:29,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:29,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 77 transitions. [2021-03-26 15:15:29,885 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) [2021-03-26 15:15:29,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:29,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:29,894 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 60 flow. Second operand 3 states and 77 transitions. [2021-03-26 15:15:29,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 22 transitions, 88 flow [2021-03-26 15:15:29,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 22 transitions, 72 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 15:15:29,900 INFO L241 Difference]: Finished difference. Result has 22 places, 22 transitions, 77 flow [2021-03-26 15:15:29,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=22, PETRI_TRANSITIONS=22} [2021-03-26 15:15:29,902 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places. [2021-03-26 15:15:29,902 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:29,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 22 transitions, 77 flow [2021-03-26 15:15:29,903 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 22 transitions, 77 flow [2021-03-26 15:15:29,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 22 transitions, 77 flow [2021-03-26 15:15:29,908 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1], [18#L36true, 21#L79true, 9#L62true, 42#true, 10#L49true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:29,908 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,908 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,908 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,908 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:29,912 INFO L129 PetriNetUnfolder]: 19/45 cut-off events. [2021-03-26 15:15:29,912 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 15:15:29,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 45 events. 19/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 52. Up to 22 conditions per place. [2021-03-26 15:15:29,914 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-26 15:15:29,916 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:29,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:29,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 15:15:29,917 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 22 transitions, 77 flow [2021-03-26 15:15:29,918 INFO L481 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) [2021-03-26 15:15:29,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:29,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:29,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 15:15:29,918 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:29,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:29,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1820931043, now seen corresponding path program 1 times [2021-03-26 15:15:29,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:29,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887739626] [2021-03-26 15:15:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:29,974 INFO L142 QuantifierPusher]: treesize reduction 27, result has 27.0 percent of original size [2021-03-26 15:15:29,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:29,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:29,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887739626] [2021-03-26 15:15:29,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520135517] [2021-03-26 15:15:29,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:30,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 15:15:30,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:30,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:30,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:30,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:30,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:30,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:30,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:30,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:30,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:30,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:30,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 15:15:30,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-26 15:15:30,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014926048] [2021-03-26 15:15:30,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 15:15:30,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:30,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 15:15:30,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 15:15:30,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:30,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 22 transitions, 77 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) [2021-03-26 15:15:30,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:30,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:30,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:30,244 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][16], [18#L36true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, 42#true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:30,245 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 15:15:30,245 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:30,245 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:30,245 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:30,246 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][26], [23#L81true, 9#L62true, 10#L49true, 42#true, 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1)]) [2021-03-26 15:15:30,246 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 15:15:30,246 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 15:15:30,246 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:30,246 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:30,251 INFO L129 PetriNetUnfolder]: 34/72 cut-off events. [2021-03-26 15:15:30,251 INFO L130 PetriNetUnfolder]: For 11/21 co-relation queries the response was YES. [2021-03-26 15:15:30,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 72 events. 34/72 cut-off events. For 11/21 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 162 event pairs, 0 based on Foata normal form. 7/72 useless extension candidates. Maximal degree in co-relation 124. Up to 39 conditions per place. [2021-03-26 15:15:30,252 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 7 selfloop transitions, 12 changer transitions 0/31 dead transitions. [2021-03-26 15:15:30,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 31 transitions, 151 flow [2021-03-26 15:15:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 15:15:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 15:15:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-26 15:15:30,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-26 15:15:30,254 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-26 15:15:30,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-26 15:15:30,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:30,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-26 15:15:30,255 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) [2021-03-26 15:15:30,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:30,256 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:30,256 INFO L185 Difference]: Start difference. First operand has 22 places, 22 transitions, 77 flow. Second operand 4 states and 104 transitions. [2021-03-26 15:15:30,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 31 transitions, 151 flow [2021-03-26 15:15:30,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 31 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 15:15:30,258 INFO L241 Difference]: Finished difference. Result has 27 places, 29 transitions, 160 flow [2021-03-26 15:15:30,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=160, PETRI_PLACES=27, PETRI_TRANSITIONS=29} [2021-03-26 15:15:30,259 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2021-03-26 15:15:30,259 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:30,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 29 transitions, 160 flow [2021-03-26 15:15:30,260 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 29 transitions, 160 flow [2021-03-26 15:15:30,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 29 transitions, 160 flow [2021-03-26 15:15:30,266 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][11], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 18#L36true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:30,266 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 15:15:30,266 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:30,266 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:30,266 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 15:15:30,267 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][15], [Black: 54#(<= i2 i1), Black: 47#true, 23#L81true, 9#L62true, 10#L49true, 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1)]) [2021-03-26 15:15:30,267 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 15:15:30,267 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:30,267 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 15:15:30,268 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:30,270 INFO L129 PetriNetUnfolder]: 34/72 cut-off events. [2021-03-26 15:15:30,270 INFO L130 PetriNetUnfolder]: For 34/54 co-relation queries the response was YES. [2021-03-26 15:15:30,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 72 events. 34/72 cut-off events. For 34/54 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 163 event pairs, 0 based on Foata normal form. 3/67 useless extension candidates. Maximal degree in co-relation 140. Up to 39 conditions per place. [2021-03-26 15:15:30,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-26 15:15:30,274 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:30,274 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:30,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 15:15:30,274 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 29 transitions, 160 flow [2021-03-26 15:15:30,275 INFO L481 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) [2021-03-26 15:15:30,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:30,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:30,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-03-26 15:15:30,496 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:30,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:30,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1072818718, now seen corresponding path program 1 times [2021-03-26 15:15:30,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:30,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333887585] [2021-03-26 15:15:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:30,573 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:15:30,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 15:15:30,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:30,602 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-26 15:15:30,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:30,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333887585] [2021-03-26 15:15:30,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909354194] [2021-03-26 15:15:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:30,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 15:15:30,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:30,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:30,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,709 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-26 15:15:30,709 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-26 15:15:30,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:30,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:30,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:30,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:30,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:30,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:30,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:30,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:30,756 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,756 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 [2021-03-26 15:15:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:30,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:30,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:30,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:30,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:30,768 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:8 [2021-03-26 15:15:30,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:30,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:30,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:30,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:30,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:30,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-26 15:15:30,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442798842] [2021-03-26 15:15:30,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 15:15:30,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:30,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 15:15:30,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 15:15:30,857 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:30,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 29 transitions, 160 flow. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:30,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:30,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:30,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:30,973 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][18], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 18#L36true, 99#true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:30,974 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 15:15:30,974 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:30,974 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:30,974 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:30,986 INFO L129 PetriNetUnfolder]: 48/100 cut-off events. [2021-03-26 15:15:30,986 INFO L130 PetriNetUnfolder]: For 93/167 co-relation queries the response was YES. [2021-03-26 15:15:30,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 100 events. 48/100 cut-off events. For 93/167 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 284 event pairs, 0 based on Foata normal form. 17/105 useless extension candidates. Maximal degree in co-relation 256. Up to 55 conditions per place. [2021-03-26 15:15:30,990 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 12 selfloop transitions, 13 changer transitions 0/37 dead transitions. [2021-03-26 15:15:30,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 270 flow [2021-03-26 15:15:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 15:15:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 15:15:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2021-03-26 15:15:30,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6411764705882353 [2021-03-26 15:15:30,996 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 109 transitions. [2021-03-26 15:15:30,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 109 transitions. [2021-03-26 15:15:30,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:30,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 109 transitions. [2021-03-26 15:15:30,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:30,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:30,999 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:30,999 INFO L185 Difference]: Start difference. First operand has 27 places, 29 transitions, 160 flow. Second operand 5 states and 109 transitions. [2021-03-26 15:15:30,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 270 flow [2021-03-26 15:15:31,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 37 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 15:15:31,003 INFO L241 Difference]: Finished difference. Result has 33 places, 37 transitions, 276 flow [2021-03-26 15:15:31,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=276, PETRI_PLACES=33, PETRI_TRANSITIONS=37} [2021-03-26 15:15:31,003 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2021-03-26 15:15:31,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:31,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 37 transitions, 276 flow [2021-03-26 15:15:31,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 37 transitions, 276 flow [2021-03-26 15:15:31,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 37 transitions, 276 flow [2021-03-26 15:15:31,010 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][15], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 18#L36true, 99#true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 44#(= s2 s1)]) [2021-03-26 15:15:31,010 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 15:15:31,010 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,010 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,010 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:31,011 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][18], [Black: 54#(<= i2 i1), Black: 47#true, 99#true, 23#L81true, 9#L62true, 10#L49true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 76#(<= (+ i2 1) i1), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 44#(= s2 s1)]) [2021-03-26 15:15:31,011 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:31,011 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:31,011 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:31,011 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:31,013 INFO L129 PetriNetUnfolder]: 48/100 cut-off events. [2021-03-26 15:15:31,013 INFO L130 PetriNetUnfolder]: For 137/200 co-relation queries the response was YES. [2021-03-26 15:15:31,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 100 events. 48/100 cut-off events. For 137/200 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 284 event pairs, 0 based on Foata normal form. 4/91 useless extension candidates. Maximal degree in co-relation 268. Up to 55 conditions per place. [2021-03-26 15:15:31,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-26 15:15:31,021 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:31,021 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:31,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 15:15:31,025 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 37 transitions, 276 flow [2021-03-26 15:15:31,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:31,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:31,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:31,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:31,236 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:31,236 INFO L82 PathProgramCache]: Analyzing trace with hash 289047368, now seen corresponding path program 1 times [2021-03-26 15:15:31,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:31,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292884395] [2021-03-26 15:15:31,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:31,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:31,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292884395] [2021-03-26 15:15:31,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213051485] [2021-03-26 15:15:31,262 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 [2021-03-26 15:15:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:31,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 15:15:31,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:31,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:31,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:31,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:31,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:31,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:31,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:31,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:31,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 15:15:31,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-26 15:15:31,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409735835] [2021-03-26 15:15:31,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 15:15:31,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:31,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 15:15:31,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 15:15:31,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:31,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 37 transitions, 276 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) [2021-03-26 15:15:31,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:31,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:31,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:31,399 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][17], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 99#true, 9#L62true, 10#L49true, Black: 44#(= s2 s1), 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:31,399 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 15:15:31,399 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:31,399 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,399 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,406 INFO L129 PetriNetUnfolder]: 63/129 cut-off events. [2021-03-26 15:15:31,406 INFO L130 PetriNetUnfolder]: For 236/354 co-relation queries the response was YES. [2021-03-26 15:15:31,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 129 events. 63/129 cut-off events. For 236/354 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 402 event pairs, 0 based on Foata normal form. 17/132 useless extension candidates. Maximal degree in co-relation 396. Up to 72 conditions per place. [2021-03-26 15:15:31,410 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 21 selfloop transitions, 13 changer transitions 0/46 dead transitions. [2021-03-26 15:15:31,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 408 flow [2021-03-26 15:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 15:15:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 15:15:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-26 15:15:31,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-26 15:15:31,413 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-26 15:15:31,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-26 15:15:31,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:31,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-26 15:15:31,414 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) [2021-03-26 15:15:31,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:31,416 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:31,416 INFO L185 Difference]: Start difference. First operand has 33 places, 37 transitions, 276 flow. Second operand 4 states and 104 transitions. [2021-03-26 15:15:31,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 408 flow [2021-03-26 15:15:31,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 374 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 15:15:31,422 INFO L241 Difference]: Finished difference. Result has 37 places, 44 transitions, 358 flow [2021-03-26 15:15:31,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=358, PETRI_PLACES=37, PETRI_TRANSITIONS=44} [2021-03-26 15:15:31,423 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2021-03-26 15:15:31,423 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:31,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 44 transitions, 358 flow [2021-03-26 15:15:31,423 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 44 transitions, 358 flow [2021-03-26 15:15:31,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 44 transitions, 358 flow [2021-03-26 15:15:31,433 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][21], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:31,434 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 15:15:31,434 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,434 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,434 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:31,436 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][25], [Black: 54#(<= i2 i1), Black: 184#(<= (+ i1 1) i2), Black: 47#true, 23#L81true, 9#L62true, 10#L49true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 76#(<= (+ i2 1) i1), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 44#(= s2 s1), Black: 165#(<= i1 i2)]) [2021-03-26 15:15:31,436 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:31,436 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:31,436 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:31,436 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:31,440 INFO L129 PetriNetUnfolder]: 63/128 cut-off events. [2021-03-26 15:15:31,441 INFO L130 PetriNetUnfolder]: For 243/278 co-relation queries the response was YES. [2021-03-26 15:15:31,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 128 events. 63/128 cut-off events. For 243/278 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 391 event pairs, 0 based on Foata normal form. 6/118 useless extension candidates. Maximal degree in co-relation 346. Up to 56 conditions per place. [2021-03-26 15:15:31,443 INFO L142 LiptonReduction]: Number of co-enabled transitions 348 [2021-03-26 15:15:31,448 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:31,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:31,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 15:15:31,449 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 44 transitions, 358 flow [2021-03-26 15:15:31,449 INFO L481 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) [2021-03-26 15:15:31,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:31,449 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:31,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:31,671 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:31,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:31,672 INFO L82 PathProgramCache]: Analyzing trace with hash -49761702, now seen corresponding path program 2 times [2021-03-26 15:15:31,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:31,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476165403] [2021-03-26 15:15:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:31,716 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:15:31,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:31,722 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-26 15:15:31,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:31,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:31,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:31,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476165403] [2021-03-26 15:15:31,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839932626] [2021-03-26 15:15:31,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:31,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 15:15:31,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:31,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 15:15:31,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:31,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:31,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:31,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:31,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:31,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:31,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:31,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:31,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:31,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:31,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:31,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:31,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:31,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:31,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:31,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:31,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:31,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:31,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:31,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:31,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:31,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:31,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2021-03-26 15:15:31,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869672829] [2021-03-26 15:15:31,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:15:31,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:31,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:15:31,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:15:31,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-26 15:15:31,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 44 transitions, 358 flow. Second operand has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:31,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:31,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-26 15:15:31,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:31,987 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][20], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:31,987 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:31,987 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,987 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:31,987 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:31,990 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][50], [Black: 54#(<= i2 i1), Black: 47#true, 9#L62true, 10#L49true, 76#(<= (+ i2 1) i1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-26 15:15:31,990 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:31,990 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:31,990 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:31,990 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:32,012 INFO L129 PetriNetUnfolder]: 121/240 cut-off events. [2021-03-26 15:15:32,012 INFO L130 PetriNetUnfolder]: For 548/668 co-relation queries the response was YES. [2021-03-26 15:15:32,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 240 events. 121/240 cut-off events. For 548/668 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 939 event pairs, 0 based on Foata normal form. 40/258 useless extension candidates. Maximal degree in co-relation 806. Up to 122 conditions per place. [2021-03-26 15:15:32,016 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 12 selfloop transitions, 52 changer transitions 0/76 dead transitions. [2021-03-26 15:15:32,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 76 transitions, 802 flow [2021-03-26 15:15:32,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:15:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:15:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 238 transitions. [2021-03-26 15:15:32,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7 [2021-03-26 15:15:32,018 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 238 transitions. [2021-03-26 15:15:32,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 238 transitions. [2021-03-26 15:15:32,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:32,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 238 transitions. [2021-03-26 15:15:32,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 23.8) internal successors, (238), 10 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:32,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:32,021 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:32,021 INFO L185 Difference]: Start difference. First operand has 37 places, 44 transitions, 358 flow. Second operand 10 states and 238 transitions. [2021-03-26 15:15:32,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 76 transitions, 802 flow [2021-03-26 15:15:32,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 76 transitions, 770 flow, removed 16 selfloop flow, removed 0 redundant places. [2021-03-26 15:15:32,026 INFO L241 Difference]: Finished difference. Result has 49 places, 74 transitions, 807 flow [2021-03-26 15:15:32,027 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=807, PETRI_PLACES=49, PETRI_TRANSITIONS=74} [2021-03-26 15:15:32,027 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 22 predicate places. [2021-03-26 15:15:32,027 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:32,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 74 transitions, 807 flow [2021-03-26 15:15:32,027 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 74 transitions, 807 flow [2021-03-26 15:15:32,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 74 transitions, 807 flow [2021-03-26 15:15:32,038 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][41], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 54#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:32,039 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:32,039 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:32,039 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:32,039 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:32,041 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][59], [Black: 54#(<= i2 i1), Black: 47#true, 5#L80true, 9#L62true, 10#L49true, 76#(<= (+ i2 1) i1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-26 15:15:32,041 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:32,041 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:32,041 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:32,041 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:32,046 INFO L129 PetriNetUnfolder]: 120/240 cut-off events. [2021-03-26 15:15:32,046 INFO L130 PetriNetUnfolder]: For 530/580 co-relation queries the response was YES. [2021-03-26 15:15:32,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 984 conditions, 240 events. 120/240 cut-off events. For 530/580 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 958 event pairs, 0 based on Foata normal form. 7/228 useless extension candidates. Maximal degree in co-relation 854. Up to 122 conditions per place. [2021-03-26 15:15:32,050 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-26 15:15:32,059 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:32,059 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:32,059 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 15:15:32,061 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 74 transitions, 807 flow [2021-03-26 15:15:32,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:32,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:32,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:32,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:32,277 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:32,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:32,277 INFO L82 PathProgramCache]: Analyzing trace with hash 497726725, now seen corresponding path program 1 times [2021-03-26 15:15:32,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:32,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397521735] [2021-03-26 15:15:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:32,304 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:15:32,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:32,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:32,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:32,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397521735] [2021-03-26 15:15:32,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834074468] [2021-03-26 15:15:32,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:32,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 15:15:32,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:32,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:32,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:32,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:32,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:32,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:32,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:32,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:32,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:32,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:32,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:32,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:32,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:32,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:32,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:32,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 15:15:32,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2021-03-26 15:15:32,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836349852] [2021-03-26 15:15:32,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 15:15:32,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:32,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 15:15:32,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:15:32,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:32,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 74 transitions, 807 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) [2021-03-26 15:15:32,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:32,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:32,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:32,506 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][18], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 54#(<= i2 i1), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:32,506 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:32,507 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:32,507 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:32,507 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:32,520 INFO L129 PetriNetUnfolder]: 144/289 cut-off events. [2021-03-26 15:15:32,520 INFO L130 PetriNetUnfolder]: For 840/946 co-relation queries the response was YES. [2021-03-26 15:15:32,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1330 conditions, 289 events. 144/289 cut-off events. For 840/946 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1225 event pairs, 0 based on Foata normal form. 35/302 useless extension candidates. Maximal degree in co-relation 1160. Up to 148 conditions per place. [2021-03-26 15:15:32,525 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 30 selfloop transitions, 48 changer transitions 0/90 dead transitions. [2021-03-26 15:15:32,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 90 transitions, 1161 flow [2021-03-26 15:15:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 15:15:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 15:15:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-03-26 15:15:32,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7705882352941177 [2021-03-26 15:15:32,526 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-03-26 15:15:32,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-03-26 15:15:32,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:32,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-03-26 15:15:32,526 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) [2021-03-26 15:15:32,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:32,527 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:32,527 INFO L185 Difference]: Start difference. First operand has 49 places, 74 transitions, 807 flow. Second operand 5 states and 131 transitions. [2021-03-26 15:15:32,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 90 transitions, 1161 flow [2021-03-26 15:15:32,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 90 transitions, 1000 flow, removed 78 selfloop flow, removed 1 redundant places. [2021-03-26 15:15:32,533 INFO L241 Difference]: Finished difference. Result has 54 places, 88 transitions, 1005 flow [2021-03-26 15:15:32,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1005, PETRI_PLACES=54, PETRI_TRANSITIONS=88} [2021-03-26 15:15:32,534 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 27 predicate places. [2021-03-26 15:15:32,534 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:32,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 88 transitions, 1005 flow [2021-03-26 15:15:32,534 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 88 transitions, 1005 flow [2021-03-26 15:15:32,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 88 transitions, 1005 flow [2021-03-26 15:15:32,547 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][8], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 54#(<= i2 i1), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-26 15:15:32,548 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:32,548 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:32,548 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:32,548 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:32,557 INFO L129 PetriNetUnfolder]: 141/282 cut-off events. [2021-03-26 15:15:32,557 INFO L130 PetriNetUnfolder]: For 889/936 co-relation queries the response was YES. [2021-03-26 15:15:32,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 282 events. 141/282 cut-off events. For 889/936 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1217 event pairs, 0 based on Foata normal form. 7/265 useless extension candidates. Maximal degree in co-relation 1040. Up to 81 conditions per place. [2021-03-26 15:15:32,562 INFO L142 LiptonReduction]: Number of co-enabled transitions 768 [2021-03-26 15:15:32,572 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:32,572 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:32,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 15:15:32,573 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 88 transitions, 1005 flow [2021-03-26 15:15:32,573 INFO L481 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) [2021-03-26 15:15:32,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:32,573 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:32,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-26 15:15:32,795 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:32,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:32,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1280353494, now seen corresponding path program 3 times [2021-03-26 15:15:32,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:32,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782930386] [2021-03-26 15:15:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:32,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:32,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782930386] [2021-03-26 15:15:32,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971082351] [2021-03-26 15:15:32,828 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 [2021-03-26 15:15:32,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 15:15:32,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:32,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 15:15:32,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:32,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:32,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:32,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:32,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:32,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:32,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:32,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:32,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:32,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:32,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:32,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:32,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:32,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:32,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:32,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:32,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:32,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:32,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-03-26 15:15:32,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397673487] [2021-03-26 15:15:32,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:15:32,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:32,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:15:32,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:15:32,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:32,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 88 transitions, 1005 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) [2021-03-26 15:15:32,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:32,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:32,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:33,033 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 54#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:33,034 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,034 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,034 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,034 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,057 INFO L129 PetriNetUnfolder]: 201/394 cut-off events. [2021-03-26 15:15:33,057 INFO L130 PetriNetUnfolder]: For 1562/1715 co-relation queries the response was YES. [2021-03-26 15:15:33,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1925 conditions, 394 events. 201/394 cut-off events. For 1562/1715 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1811 event pairs, 0 based on Foata normal form. 47/407 useless extension candidates. Maximal degree in co-relation 1704. Up to 132 conditions per place. [2021-03-26 15:15:33,063 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 28 selfloop transitions, 81 changer transitions 0/121 dead transitions. [2021-03-26 15:15:33,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 121 transitions, 1669 flow [2021-03-26 15:15:33,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:15:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:15:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 236 transitions. [2021-03-26 15:15:33,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7712418300653595 [2021-03-26 15:15:33,065 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 236 transitions. [2021-03-26 15:15:33,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 236 transitions. [2021-03-26 15:15:33,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:33,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 236 transitions. [2021-03-26 15:15:33,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 9 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:33,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:33,067 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:33,067 INFO L185 Difference]: Start difference. First operand has 54 places, 88 transitions, 1005 flow. Second operand 9 states and 236 transitions. [2021-03-26 15:15:33,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 121 transitions, 1669 flow [2021-03-26 15:15:33,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 121 transitions, 1533 flow, removed 61 selfloop flow, removed 1 redundant places. [2021-03-26 15:15:33,078 INFO L241 Difference]: Finished difference. Result has 64 places, 117 transitions, 1579 flow [2021-03-26 15:15:33,078 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1579, PETRI_PLACES=64, PETRI_TRANSITIONS=117} [2021-03-26 15:15:33,078 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 37 predicate places. [2021-03-26 15:15:33,079 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:33,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 117 transitions, 1579 flow [2021-03-26 15:15:33,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 117 transitions, 1579 flow [2021-03-26 15:15:33,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 117 transitions, 1579 flow [2021-03-26 15:15:33,099 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][101], [Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 54#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:33,100 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,100 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,100 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,100 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,107 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][107], [Black: 54#(<= i2 i1), Black: 47#true, 5#L80true, 9#L62true, 10#L49true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-26 15:15:33,107 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:33,107 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:33,107 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:33,107 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:33,117 INFO L129 PetriNetUnfolder]: 197/392 cut-off events. [2021-03-26 15:15:33,118 INFO L130 PetriNetUnfolder]: For 1519/1565 co-relation queries the response was YES. [2021-03-26 15:15:33,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1878 conditions, 392 events. 197/392 cut-off events. For 1519/1565 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1880 event pairs, 0 based on Foata normal form. 4/369 useless extension candidates. Maximal degree in co-relation 1652. Up to 115 conditions per place. [2021-03-26 15:15:33,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 1044 [2021-03-26 15:15:33,144 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:33,144 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:33,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 15:15:33,145 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 117 transitions, 1579 flow [2021-03-26 15:15:33,145 INFO L481 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) [2021-03-26 15:15:33,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:33,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:33,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:33,367 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:33,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:33,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1163697322, now seen corresponding path program 4 times [2021-03-26 15:15:33,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:33,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589704920] [2021-03-26 15:15:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:33,397 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:15:33,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:33,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:33,407 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-26 15:15:33,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:33,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589704920] [2021-03-26 15:15:33,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454564330] [2021-03-26 15:15:33,415 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:33,441 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 15:15:33,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:33,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 15:15:33,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:33,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:33,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,462 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-26 15:15:33,463 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 15:15:33,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:33,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:33,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:33,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,476 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size 32 [2021-03-26 15:15:33,476 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-26 15:15:33,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:33,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-26 15:15:33,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:33,478 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-26 15:15:33,479 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-26 15:15:33,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:33,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:33,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:33,484 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 11 treesize of output 7 [2021-03-26 15:15:33,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:33,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:33,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-26 15:15:33,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-26 15:15:33,490 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:10 [2021-03-26 15:15:33,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:33,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:33,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:33,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:33,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-03-26 15:15:33,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001756586] [2021-03-26 15:15:33,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:15:33,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:33,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:15:33,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:15:33,526 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:33,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 117 transitions, 1579 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) [2021-03-26 15:15:33,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:33,527 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:33,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:33,606 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][18], [Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 54#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-26 15:15:33,606 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,607 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,607 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,607 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,622 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][50], [Black: 54#(<= i2 i1), Black: 47#true, 9#L62true, 10#L49true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-26 15:15:33,622 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:33,622 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:33,622 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:33,622 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:33,636 INFO L129 PetriNetUnfolder]: 235/464 cut-off events. [2021-03-26 15:15:33,637 INFO L130 PetriNetUnfolder]: For 1779/1866 co-relation queries the response was YES. [2021-03-26 15:15:33,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2450 conditions, 464 events. 235/464 cut-off events. For 1779/1866 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2270 event pairs, 0 based on Foata normal form. 30/460 useless extension candidates. Maximal degree in co-relation 2190. Up to 247 conditions per place. [2021-03-26 15:15:33,644 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 92 selfloop transitions, 33 changer transitions 0/137 dead transitions. [2021-03-26 15:15:33,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 137 transitions, 2089 flow [2021-03-26 15:15:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 15:15:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 15:15:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-03-26 15:15:33,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6470588235294118 [2021-03-26 15:15:33,645 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-03-26 15:15:33,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-03-26 15:15:33,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:33,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-03-26 15:15:33,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:33,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:33,647 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:33,647 INFO L185 Difference]: Start difference. First operand has 64 places, 117 transitions, 1579 flow. Second operand 7 states and 154 transitions. [2021-03-26 15:15:33,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 137 transitions, 2089 flow [2021-03-26 15:15:33,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 137 transitions, 1994 flow, removed 37 selfloop flow, removed 2 redundant places. [2021-03-26 15:15:33,660 INFO L241 Difference]: Finished difference. Result has 71 places, 137 transitions, 1882 flow [2021-03-26 15:15:33,660 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1484, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1882, PETRI_PLACES=71, PETRI_TRANSITIONS=137} [2021-03-26 15:15:33,660 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 44 predicate places. [2021-03-26 15:15:33,660 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:33,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 137 transitions, 1882 flow [2021-03-26 15:15:33,660 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 137 transitions, 1882 flow [2021-03-26 15:15:33,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 137 transitions, 1882 flow [2021-03-26 15:15:33,685 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][112], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:33,685 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,685 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,685 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:33,686 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 15:15:33,692 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][116], [5#L80true, 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:33,692 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:33,693 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:33,693 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:33,693 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:33,705 INFO L129 PetriNetUnfolder]: 232/462 cut-off events. [2021-03-26 15:15:33,706 INFO L130 PetriNetUnfolder]: For 1766/1803 co-relation queries the response was YES. [2021-03-26 15:15:33,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2227 conditions, 462 events. 232/462 cut-off events. For 1766/1803 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2308 event pairs, 0 based on Foata normal form. 4/438 useless extension candidates. Maximal degree in co-relation 1988. Up to 105 conditions per place. [2021-03-26 15:15:33,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 1254 [2021-03-26 15:15:33,739 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:33,740 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:33,740 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-03-26 15:15:33,740 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 137 transitions, 1882 flow [2021-03-26 15:15:33,741 INFO L481 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) [2021-03-26 15:15:33,741 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:33,741 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:33,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:33,952 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:33,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:33,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1270276865, now seen corresponding path program 5 times [2021-03-26 15:15:33,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:33,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515259752] [2021-03-26 15:15:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:34,003 INFO L142 QuantifierPusher]: treesize reduction 37, result has 43.1 percent of original size [2021-03-26 15:15:34,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:15:34,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:34,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,040 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-26 15:15:34,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:34,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:15:34,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:34,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515259752] [2021-03-26 15:15:34,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206604690] [2021-03-26 15:15:34,081 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:34,121 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 15:15:34,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:34,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-26 15:15:34,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:34,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,139 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-26 15:15:34,139 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-26 15:15:34,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:34,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,172 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-26 15:15:34,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 15:15:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:34,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:34,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,188 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:15:34,189 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:34,190 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 15:15:34,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 15:15:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:34,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:34,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,204 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-26 15:15:34,204 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 15:15:34,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:34,207 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:34,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:34,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:34,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:34,225 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,225 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 19 treesize of output 35 [2021-03-26 15:15:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,227 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:34,231 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:34,232 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-26 15:15:34,236 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-26 15:15:34,238 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-26 15:15:34,239 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-26 15:15:34,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:34,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:34,263 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:52 [2021-03-26 15:15:34,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:34,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:34,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:34,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 15:15:34,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226398728] [2021-03-26 15:15:34,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:15:34,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:34,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:15:34,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:15:34,353 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:34,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 137 transitions, 1882 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) [2021-03-26 15:15:34,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:34,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:34,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:34,493 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:34,493 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:34,493 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:34,493 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:34,494 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:34,514 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 462#true, Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:34,514 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:15:34,514 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:34,514 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:34,514 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:34,528 INFO L129 PetriNetUnfolder]: 256/507 cut-off events. [2021-03-26 15:15:34,528 INFO L130 PetriNetUnfolder]: For 2008/2134 co-relation queries the response was YES. [2021-03-26 15:15:34,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2740 conditions, 507 events. 256/507 cut-off events. For 2008/2134 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2550 event pairs, 0 based on Foata normal form. 34/503 useless extension candidates. Maximal degree in co-relation 2474. Up to 275 conditions per place. [2021-03-26 15:15:34,535 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 108 selfloop transitions, 29 changer transitions 0/149 dead transitions. [2021-03-26 15:15:34,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 149 transitions, 2348 flow [2021-03-26 15:15:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:15:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:15:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 175 transitions. [2021-03-26 15:15:34,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6433823529411765 [2021-03-26 15:15:34,537 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 175 transitions. [2021-03-26 15:15:34,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 175 transitions. [2021-03-26 15:15:34,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:34,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 175 transitions. [2021-03-26 15:15:34,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:34,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:34,538 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:34,538 INFO L185 Difference]: Start difference. First operand has 71 places, 137 transitions, 1882 flow. Second operand 8 states and 175 transitions. [2021-03-26 15:15:34,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 149 transitions, 2348 flow [2021-03-26 15:15:34,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 149 transitions, 2337 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:15:34,551 INFO L241 Difference]: Finished difference. Result has 78 places, 149 transitions, 2165 flow [2021-03-26 15:15:34,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1871, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2165, PETRI_PLACES=78, PETRI_TRANSITIONS=149} [2021-03-26 15:15:34,551 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 51 predicate places. [2021-03-26 15:15:34,552 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:34,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 149 transitions, 2165 flow [2021-03-26 15:15:34,552 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 149 transitions, 2165 flow [2021-03-26 15:15:34,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 149 transitions, 2165 flow [2021-03-26 15:15:34,577 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][6], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:34,577 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:34,577 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:34,577 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:34,577 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:34,584 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][126], [5#L80true, 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:34,585 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 15:15:34,585 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:34,585 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 15:15:34,585 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:34,595 INFO L129 PetriNetUnfolder]: 251/500 cut-off events. [2021-03-26 15:15:34,596 INFO L130 PetriNetUnfolder]: For 2011/2053 co-relation queries the response was YES. [2021-03-26 15:15:34,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 500 events. 251/500 cut-off events. For 2011/2053 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2573 event pairs, 0 based on Foata normal form. 5/475 useless extension candidates. Maximal degree in co-relation 2308. Up to 117 conditions per place. [2021-03-26 15:15:34,603 INFO L142 LiptonReduction]: Number of co-enabled transitions 1386 [2021-03-26 15:15:34,622 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:34,622 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:34,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 15:15:34,622 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 149 transitions, 2165 flow [2021-03-26 15:15:34,623 INFO L481 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) [2021-03-26 15:15:34,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:34,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:34,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-26 15:15:34,836 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:34,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:34,836 INFO L82 PathProgramCache]: Analyzing trace with hash 652897947, now seen corresponding path program 1 times [2021-03-26 15:15:34,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:34,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329015379] [2021-03-26 15:15:34,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:34,907 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-26 15:15:34,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:34,917 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-03-26 15:15:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:34,932 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.9 percent of original size [2021-03-26 15:15:34,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 15:15:34,960 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-03-26 15:15:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:34,973 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-03-26 15:15:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:34,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329015379] [2021-03-26 15:15:34,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318009988] [2021-03-26 15:15:34,996 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 [2021-03-26 15:15:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:35,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-26 15:15:35,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:35,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,046 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 15:15:35,048 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-26 15:15:35,049 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-26 15:15:35,049 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-26 15:15:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,068 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-26 15:15:35,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 15:15:35,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:35,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:35,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:35,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,081 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:15:35,081 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:35,082 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 15:15:35,082 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 15:15:35,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:35,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:35,097 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:35,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:35,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:35,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:35,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:35,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,117 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 19 treesize of output 35 [2021-03-26 15:15:35,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,119 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:35,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:35,121 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.3 percent of original size [2021-03-26 15:15:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,126 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:35,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:35,148 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:54 [2021-03-26 15:15:35,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:15:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:35,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:35,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 15:15:35,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838419468] [2021-03-26 15:15:35,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:15:35,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:35,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:15:35,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:15:35,214 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:35,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 149 transitions, 2165 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) [2021-03-26 15:15:35,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:35,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:35,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:35,388 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][25], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 529#true, Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:35,388 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:35,388 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:35,388 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:35,388 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:35,412 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 342#(<= i2 (+ i1 1)), 529#true, Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:35,412 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:15:35,412 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:35,412 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:35,412 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:35,427 INFO L129 PetriNetUnfolder]: 270/534 cut-off events. [2021-03-26 15:15:35,427 INFO L130 PetriNetUnfolder]: For 2339/2569 co-relation queries the response was YES. [2021-03-26 15:15:35,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2989 conditions, 534 events. 270/534 cut-off events. For 2339/2569 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2715 event pairs, 0 based on Foata normal form. 60/552 useless extension candidates. Maximal degree in co-relation 2712. Up to 287 conditions per place. [2021-03-26 15:15:35,458 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 112 selfloop transitions, 33 changer transitions 0/157 dead transitions. [2021-03-26 15:15:35,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 157 transitions, 2553 flow [2021-03-26 15:15:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:15:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:15:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 197 transitions. [2021-03-26 15:15:35,461 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-26 15:15:35,461 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 197 transitions. [2021-03-26 15:15:35,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 197 transitions. [2021-03-26 15:15:35,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:35,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 197 transitions. [2021-03-26 15:15:35,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.88888888888889) internal successors, (197), 9 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:35,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:35,462 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:35,462 INFO L185 Difference]: Start difference. First operand has 78 places, 149 transitions, 2165 flow. Second operand 9 states and 197 transitions. [2021-03-26 15:15:35,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 157 transitions, 2553 flow [2021-03-26 15:15:35,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 157 transitions, 2487 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 15:15:35,477 INFO L241 Difference]: Finished difference. Result has 84 places, 157 transitions, 2299 flow [2021-03-26 15:15:35,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2099, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2299, PETRI_PLACES=84, PETRI_TRANSITIONS=157} [2021-03-26 15:15:35,477 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 57 predicate places. [2021-03-26 15:15:35,477 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:35,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 157 transitions, 2299 flow [2021-03-26 15:15:35,477 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 157 transitions, 2299 flow [2021-03-26 15:15:35,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 157 transitions, 2299 flow [2021-03-26 15:15:35,504 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][3], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:35,504 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:35,504 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:35,504 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:35,504 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:35,511 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][139], [5#L80true, 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:35,511 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:35,511 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:35,512 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:35,512 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:35,524 INFO L129 PetriNetUnfolder]: 263/523 cut-off events. [2021-03-26 15:15:35,524 INFO L130 PetriNetUnfolder]: For 2222/2301 co-relation queries the response was YES. [2021-03-26 15:15:35,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 523 events. 263/523 cut-off events. For 2222/2301 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2727 event pairs, 0 based on Foata normal form. 5/496 useless extension candidates. Maximal degree in co-relation 2446. Up to 125 conditions per place. [2021-03-26 15:15:35,533 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 15:15:35,542 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:35,542 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:35,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 15:15:35,543 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 157 transitions, 2299 flow [2021-03-26 15:15:35,543 INFO L481 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) [2021-03-26 15:15:35,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:35,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:35,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:35,764 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:35,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:35,765 INFO L82 PathProgramCache]: Analyzing trace with hash -908585765, now seen corresponding path program 2 times [2021-03-26 15:15:35,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:35,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000259215] [2021-03-26 15:15:35,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:35,793 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:15:35,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:35,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,808 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-26 15:15:35,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:35,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:15:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:35,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000259215] [2021-03-26 15:15:35,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70608801] [2021-03-26 15:15:35,843 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 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 [2021-03-26 15:15:35,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 15:15:35,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:35,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-26 15:15:35,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:35,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:35,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:35,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:35,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:35,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:35,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:35,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:35,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,931 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:15:35,932 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:35,932 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 15:15:35,933 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 15:15:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:35,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:35,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:35,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:35,947 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:35,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:35,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:35,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:35,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:35,962 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,963 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 19 treesize of output 35 [2021-03-26 15:15:35,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,964 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:35,965 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:35,966 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.3 percent of original size [2021-03-26 15:15:35,968 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 56 [2021-03-26 15:15:35,968 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 56 [2021-03-26 15:15:35,969 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-03-26 15:15:35,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:35,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:35,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:35,992 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:35,992 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:56 [2021-03-26 15:15:35,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:35,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:35,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:36,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:36,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 15:15:36,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71795526] [2021-03-26 15:15:36,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:15:36,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:36,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:15:36,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:15:36,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:36,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 157 transitions, 2299 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) [2021-03-26 15:15:36,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:36,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:36,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:36,272 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:36,273 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:36,273 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:36,273 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:36,273 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:36,297 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:36,297 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:15:36,297 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:36,297 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:36,297 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:36,315 INFO L129 PetriNetUnfolder]: 277/549 cut-off events. [2021-03-26 15:15:36,315 INFO L130 PetriNetUnfolder]: For 2501/2646 co-relation queries the response was YES. [2021-03-26 15:15:36,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3113 conditions, 549 events. 277/549 cut-off events. For 2501/2646 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2820 event pairs, 0 based on Foata normal form. 36/544 useless extension candidates. Maximal degree in co-relation 2828. Up to 295 conditions per place. [2021-03-26 15:15:36,323 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 116 selfloop transitions, 33 changer transitions 0/161 dead transitions. [2021-03-26 15:15:36,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 161 transitions, 2667 flow [2021-03-26 15:15:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:15:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:15:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 197 transitions. [2021-03-26 15:15:36,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-26 15:15:36,325 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 197 transitions. [2021-03-26 15:15:36,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 197 transitions. [2021-03-26 15:15:36,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:36,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 197 transitions. [2021-03-26 15:15:36,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.88888888888889) internal successors, (197), 9 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:36,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:36,327 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:36,327 INFO L185 Difference]: Start difference. First operand has 84 places, 157 transitions, 2299 flow. Second operand 9 states and 197 transitions. [2021-03-26 15:15:36,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 161 transitions, 2667 flow [2021-03-26 15:15:36,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 161 transitions, 2587 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-03-26 15:15:36,343 INFO L241 Difference]: Finished difference. Result has 87 places, 161 transitions, 2377 flow [2021-03-26 15:15:36,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2219, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2377, PETRI_PLACES=87, PETRI_TRANSITIONS=161} [2021-03-26 15:15:36,343 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 60 predicate places. [2021-03-26 15:15:36,343 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:36,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 161 transitions, 2377 flow [2021-03-26 15:15:36,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 161 transitions, 2377 flow [2021-03-26 15:15:36,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 161 transitions, 2377 flow [2021-03-26 15:15:36,369 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][6], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:36,370 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:36,370 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:36,370 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:36,370 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:36,380 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][139], [5#L80true, 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 598#true, Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:36,380 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 15:15:36,380 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:36,380 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 15:15:36,381 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:36,393 INFO L129 PetriNetUnfolder]: 269/538 cut-off events. [2021-03-26 15:15:36,394 INFO L130 PetriNetUnfolder]: For 2395/2455 co-relation queries the response was YES. [2021-03-26 15:15:36,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2788 conditions, 538 events. 269/538 cut-off events. For 2395/2455 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2829 event pairs, 0 based on Foata normal form. 5/512 useless extension candidates. Maximal degree in co-relation 2524. Up to 133 conditions per place. [2021-03-26 15:15:36,402 INFO L142 LiptonReduction]: Number of co-enabled transitions 1512 [2021-03-26 15:15:36,412 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:36,412 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:36,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 15:15:36,413 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 161 transitions, 2377 flow [2021-03-26 15:15:36,413 INFO L481 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) [2021-03-26 15:15:36,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:36,414 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:36,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:36,639 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:36,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:36,639 INFO L82 PathProgramCache]: Analyzing trace with hash 873048845, now seen corresponding path program 2 times [2021-03-26 15:15:36,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:36,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569200726] [2021-03-26 15:15:36,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:36,686 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:15:36,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,693 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size [2021-03-26 15:15:36,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 15:15:36,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:15:36,714 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-03-26 15:15:36,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:36,727 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-03-26 15:15:36,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:36,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569200726] [2021-03-26 15:15:36,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083833078] [2021-03-26 15:15:36,747 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 [2021-03-26 15:15:36,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 15:15:36,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:36,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-26 15:15:36,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:36,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:36,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,817 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-26 15:15:36,818 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 15:15:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:36,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:36,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:36,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:36,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:36,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:36,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:36,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:36,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,835 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:15:36,835 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 15:15:36,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:36,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:36,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:36,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:36,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:36,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:36,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:36,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:36,873 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:36,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:36,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:36,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:36,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:36,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:36,903 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,904 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 19 treesize of output 35 [2021-03-26 15:15:36,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,905 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:36,906 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:36,907 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-26 15:15:36,908 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-26 15:15:36,909 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-26 15:15:36,910 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-26 15:15:36,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:36,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:36,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:52 [2021-03-26 15:15:36,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:36,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:36,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:37,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:37,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:37,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:37,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-26 15:15:37,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164915027] [2021-03-26 15:15:37,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:15:37,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:37,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:15:37,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:15:37,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:37,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 161 transitions, 2377 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) [2021-03-26 15:15:37,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:37,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:37,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:37,198 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][27], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:37,198 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,198 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:37,198 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:37,198 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,242 INFO L129 PetriNetUnfolder]: 290/578 cut-off events. [2021-03-26 15:15:37,242 INFO L130 PetriNetUnfolder]: For 2509/2593 co-relation queries the response was YES. [2021-03-26 15:15:37,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 578 events. 290/578 cut-off events. For 2509/2593 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3017 event pairs, 0 based on Foata normal form. 17/556 useless extension candidates. Maximal degree in co-relation 2960. Up to 315 conditions per place. [2021-03-26 15:15:37,251 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 128 selfloop transitions, 29 changer transitions 0/169 dead transitions. [2021-03-26 15:15:37,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 169 transitions, 2791 flow [2021-03-26 15:15:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:15:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:15:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 175 transitions. [2021-03-26 15:15:37,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6433823529411765 [2021-03-26 15:15:37,253 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 175 transitions. [2021-03-26 15:15:37,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 175 transitions. [2021-03-26 15:15:37,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:37,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 175 transitions. [2021-03-26 15:15:37,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:37,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:37,254 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:37,254 INFO L185 Difference]: Start difference. First operand has 87 places, 161 transitions, 2377 flow. Second operand 8 states and 175 transitions. [2021-03-26 15:15:37,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 169 transitions, 2791 flow [2021-03-26 15:15:37,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 169 transitions, 2707 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-03-26 15:15:37,272 INFO L241 Difference]: Finished difference. Result has 90 places, 169 transitions, 2481 flow [2021-03-26 15:15:37,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2293, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2481, PETRI_PLACES=90, PETRI_TRANSITIONS=169} [2021-03-26 15:15:37,273 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 63 predicate places. [2021-03-26 15:15:37,273 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:37,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 169 transitions, 2481 flow [2021-03-26 15:15:37,273 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 169 transitions, 2481 flow [2021-03-26 15:15:37,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 169 transitions, 2481 flow [2021-03-26 15:15:37,299 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][8], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:37,299 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,299 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:37,299 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:37,299 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,309 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][148], [5#L80true, 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:37,309 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 15:15:37,309 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:37,309 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 15:15:37,309 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:37,326 INFO L129 PetriNetUnfolder]: 282/562 cut-off events. [2021-03-26 15:15:37,326 INFO L130 PetriNetUnfolder]: For 2363/2423 co-relation queries the response was YES. [2021-03-26 15:15:37,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2911 conditions, 562 events. 282/562 cut-off events. For 2363/2423 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2957 event pairs, 0 based on Foata normal form. 5/533 useless extension candidates. Maximal degree in co-relation 2640. Up to 133 conditions per place. [2021-03-26 15:15:37,336 INFO L142 LiptonReduction]: Number of co-enabled transitions 1596 [2021-03-26 15:15:37,347 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:37,347 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:37,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-26 15:15:37,348 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 169 transitions, 2481 flow [2021-03-26 15:15:37,348 INFO L481 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) [2021-03-26 15:15:37,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:37,348 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:37,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 15:15:37,564 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:37,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:37,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1817877210, now seen corresponding path program 1 times [2021-03-26 15:15:37,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:37,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128597113] [2021-03-26 15:15:37,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:37,579 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:15:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,585 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:15:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,593 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-26 15:15:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:37,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:37,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128597113] [2021-03-26 15:15:37,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712738117] [2021-03-26 15:15:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:37,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-26 15:15:37,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:37,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:37,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:37,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:37,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:37,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:37,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:37,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:37,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:37,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:37,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:37,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:37,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:37,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:37,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:37,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:37,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:37,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:37,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:37,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-03-26 15:15:37,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037807552] [2021-03-26 15:15:37,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:15:37,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:37,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:15:37,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:15:37,723 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:37,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 169 transitions, 2481 flow. Second operand has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 11 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:37,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:37,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:37,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:37,851 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:37,851 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,851 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:37,851 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,851 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:37,892 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:37,892 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:15:37,892 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:37,892 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:37,892 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:37,927 INFO L129 PetriNetUnfolder]: 393/782 cut-off events. [2021-03-26 15:15:37,927 INFO L130 PetriNetUnfolder]: For 4348/4484 co-relation queries the response was YES. [2021-03-26 15:15:37,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4421 conditions, 782 events. 393/782 cut-off events. For 4348/4484 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4304 event pairs, 0 based on Foata normal form. 35/767 useless extension candidates. Maximal degree in co-relation 4068. Up to 243 conditions per place. [2021-03-26 15:15:37,938 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 94 selfloop transitions, 122 changer transitions 0/228 dead transitions. [2021-03-26 15:15:37,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 228 transitions, 3787 flow [2021-03-26 15:15:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:15:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:15:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 260 transitions. [2021-03-26 15:15:37,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-26 15:15:37,939 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 260 transitions. [2021-03-26 15:15:37,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 260 transitions. [2021-03-26 15:15:37,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:37,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 260 transitions. [2021-03-26 15:15:37,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:37,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:37,941 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:37,941 INFO L185 Difference]: Start difference. First operand has 90 places, 169 transitions, 2481 flow. Second operand 10 states and 260 transitions. [2021-03-26 15:15:37,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 228 transitions, 3787 flow [2021-03-26 15:15:37,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 228 transitions, 3670 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 15:15:37,967 INFO L241 Difference]: Finished difference. Result has 93 places, 228 transitions, 3514 flow [2021-03-26 15:15:37,967 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2357, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3514, PETRI_PLACES=93, PETRI_TRANSITIONS=228} [2021-03-26 15:15:37,967 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 66 predicate places. [2021-03-26 15:15:37,967 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:37,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 228 transitions, 3514 flow [2021-03-26 15:15:37,968 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 228 transitions, 3514 flow [2021-03-26 15:15:37,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 228 transitions, 3514 flow [2021-03-26 15:15:37,991 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][108], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:37,991 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,991 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:37,991 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:37,991 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:38,047 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][34], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:38,047 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:15:38,047 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:38,047 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:38,047 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:38,063 INFO L129 PetriNetUnfolder]: 383/757 cut-off events. [2021-03-26 15:15:38,063 INFO L130 PetriNetUnfolder]: For 3918/3993 co-relation queries the response was YES. [2021-03-26 15:15:38,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4130 conditions, 757 events. 383/757 cut-off events. For 3918/3993 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4256 event pairs, 0 based on Foata normal form. 5/718 useless extension candidates. Maximal degree in co-relation 3816. Up to 193 conditions per place. [2021-03-26 15:15:38,076 INFO L142 LiptonReduction]: Number of co-enabled transitions 2196 [2021-03-26 15:15:38,095 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:38,095 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:38,095 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-03-26 15:15:38,096 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 228 transitions, 3514 flow [2021-03-26 15:15:38,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 11 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:38,096 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:38,096 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:38,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 15:15:38,312 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:38,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:38,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1017458272, now seen corresponding path program 3 times [2021-03-26 15:15:38,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:38,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761507687] [2021-03-26 15:15:38,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:38,327 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:15:38,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:38,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:38,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:38,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761507687] [2021-03-26 15:15:38,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023897343] [2021-03-26 15:15:38,349 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:38,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 15:15:38,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:38,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 15:15:38,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:38,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:38,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:38,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:38,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:38,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:38,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:38,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:38,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:38,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:38,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:38,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:38,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:38,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:38,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:38,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:38,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:38,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:38,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:38,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:38,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:38,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:38,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:38,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:38,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:38,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:38,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-26 15:15:38,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98958599] [2021-03-26 15:15:38,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:15:38,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:38,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:15:38,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:15:38,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-26 15:15:38,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 228 transitions, 3514 flow. Second operand has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:38,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:38,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-26 15:15:38,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:38,582 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][26], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 158#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 47#true, 808#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-26 15:15:38,582 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:38,582 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:38,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:38,582 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:38,615 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 54#(<= i2 i1), Black: 47#true, 808#true, Black: 44#(= s2 s1)]) [2021-03-26 15:15:38,615 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:15:38,615 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:38,615 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:38,615 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:38,648 INFO L129 PetriNetUnfolder]: 502/990 cut-off events. [2021-03-26 15:15:38,648 INFO L130 PetriNetUnfolder]: For 5385/5569 co-relation queries the response was YES. [2021-03-26 15:15:38,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5725 conditions, 990 events. 502/990 cut-off events. For 5385/5569 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5813 event pairs, 0 based on Foata normal form. 56/979 useless extension candidates. Maximal degree in co-relation 5256. Up to 251 conditions per place. [2021-03-26 15:15:38,663 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 57 selfloop transitions, 219 changer transitions 0/288 dead transitions. [2021-03-26 15:15:38,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 288 transitions, 4950 flow [2021-03-26 15:15:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:15:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:15:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 218 transitions. [2021-03-26 15:15:38,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7124183006535948 [2021-03-26 15:15:38,664 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 218 transitions. [2021-03-26 15:15:38,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 218 transitions. [2021-03-26 15:15:38,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:38,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 218 transitions. [2021-03-26 15:15:38,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.22222222222222) internal successors, (218), 9 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:38,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:38,667 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:38,667 INFO L185 Difference]: Start difference. First operand has 93 places, 228 transitions, 3514 flow. Second operand 9 states and 218 transitions. [2021-03-26 15:15:38,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 288 transitions, 4950 flow [2021-03-26 15:15:38,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 288 transitions, 4445 flow, removed 250 selfloop flow, removed 1 redundant places. [2021-03-26 15:15:38,700 INFO L241 Difference]: Finished difference. Result has 104 places, 286 transitions, 4720 flow [2021-03-26 15:15:38,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3021, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4720, PETRI_PLACES=104, PETRI_TRANSITIONS=286} [2021-03-26 15:15:38,701 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 77 predicate places. [2021-03-26 15:15:38,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:38,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 286 transitions, 4720 flow [2021-03-26 15:15:38,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 286 transitions, 4720 flow [2021-03-26 15:15:38,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 286 transitions, 4720 flow [2021-03-26 15:15:38,745 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][24], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 44#(= s2 s1), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 54#(<= i2 i1)]) [2021-03-26 15:15:38,745 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:38,745 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:38,745 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:38,746 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:38,788 INFO L129 PetriNetUnfolder]: 493/963 cut-off events. [2021-03-26 15:15:38,789 INFO L130 PetriNetUnfolder]: For 4846/4927 co-relation queries the response was YES. [2021-03-26 15:15:38,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5445 conditions, 963 events. 493/963 cut-off events. For 4846/4927 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5765 event pairs, 0 based on Foata normal form. 3/903 useless extension candidates. Maximal degree in co-relation 4996. Up to 205 conditions per place. [2021-03-26 15:15:38,805 INFO L142 LiptonReduction]: Number of co-enabled transitions 2754 [2021-03-26 15:15:38,826 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:38,826 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:38,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-26 15:15:38,827 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 286 transitions, 4720 flow [2021-03-26 15:15:38,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:38,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:38,827 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:39,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-26 15:15:39,044 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:39,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:39,044 INFO L82 PathProgramCache]: Analyzing trace with hash 4324985, now seen corresponding path program 4 times [2021-03-26 15:15:39,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:39,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759600232] [2021-03-26 15:15:39,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:39,062 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:15:39,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:39,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759600232] [2021-03-26 15:15:39,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658395803] [2021-03-26 15:15:39,090 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:39,137 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 15:15:39,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:39,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 15:15:39,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:39,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:39,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:39,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:39,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:39,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:39,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:39,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:39,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:39,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:39,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2021-03-26 15:15:39,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685540865] [2021-03-26 15:15:39,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:15:39,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:39,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:15:39,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:15:39,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-26 15:15:39,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 286 transitions, 4720 flow. Second operand has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:39,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:39,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-26 15:15:39,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:39,346 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][28], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 44#(= s2 s1), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1)]) [2021-03-26 15:15:39,347 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:39,347 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:39,347 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:39,347 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:39,425 INFO L129 PetriNetUnfolder]: 526/1044 cut-off events. [2021-03-26 15:15:39,426 INFO L130 PetriNetUnfolder]: For 5796/5862 co-relation queries the response was YES. [2021-03-26 15:15:39,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6428 conditions, 1044 events. 526/1044 cut-off events. For 5796/5862 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6249 event pairs, 0 based on Foata normal form. 15/998 useless extension candidates. Maximal degree in co-relation 5920. Up to 377 conditions per place. [2021-03-26 15:15:39,441 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 146 selfloop transitions, 146 changer transitions 0/304 dead transitions. [2021-03-26 15:15:39,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 304 transitions, 5672 flow [2021-03-26 15:15:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:15:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:15:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 263 transitions. [2021-03-26 15:15:39,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7032085561497327 [2021-03-26 15:15:39,442 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 263 transitions. [2021-03-26 15:15:39,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 263 transitions. [2021-03-26 15:15:39,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:39,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 263 transitions. [2021-03-26 15:15:39,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 23.90909090909091) internal successors, (263), 11 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:39,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 34.0) internal successors, (408), 12 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:39,445 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 34.0) internal successors, (408), 12 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:39,445 INFO L185 Difference]: Start difference. First operand has 104 places, 286 transitions, 4720 flow. Second operand 11 states and 263 transitions. [2021-03-26 15:15:39,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 304 transitions, 5672 flow [2021-03-26 15:15:39,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 304 transitions, 5269 flow, removed 196 selfloop flow, removed 2 redundant places. [2021-03-26 15:15:39,482 INFO L241 Difference]: Finished difference. Result has 113 places, 304 transitions, 5041 flow [2021-03-26 15:15:39,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4390, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5041, PETRI_PLACES=113, PETRI_TRANSITIONS=304} [2021-03-26 15:15:39,482 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 86 predicate places. [2021-03-26 15:15:39,482 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:39,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 304 transitions, 5041 flow [2021-03-26 15:15:39,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 304 transitions, 5041 flow [2021-03-26 15:15:39,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 304 transitions, 5041 flow [2021-03-26 15:15:39,518 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][37], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 44#(= s2 s1), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1)]) [2021-03-26 15:15:39,518 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:39,518 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:39,518 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:39,518 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:39,575 INFO L129 PetriNetUnfolder]: 509/1008 cut-off events. [2021-03-26 15:15:39,576 INFO L130 PetriNetUnfolder]: For 4730/4788 co-relation queries the response was YES. [2021-03-26 15:15:39,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5637 conditions, 1008 events. 509/1008 cut-off events. For 4730/4788 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6104 event pairs, 0 based on Foata normal form. 2/950 useless extension candidates. Maximal degree in co-relation 5168. Up to 205 conditions per place. [2021-03-26 15:15:39,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 2940 [2021-03-26 15:15:39,617 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:39,618 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:39,618 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-03-26 15:15:39,621 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 304 transitions, 5041 flow [2021-03-26 15:15:39,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:39,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:39,622 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:39,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:39,836 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:39,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash -523334715, now seen corresponding path program 5 times [2021-03-26 15:15:39,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:39,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903841921] [2021-03-26 15:15:39,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:39,875 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-26 15:15:39,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:39,890 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-26 15:15:39,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:39,901 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-26 15:15:39,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:39,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:39,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:15:39,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:39,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903841921] [2021-03-26 15:15:39,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177614399] [2021-03-26 15:15:39,939 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:39,977 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-26 15:15:39,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:39,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-26 15:15:39,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:39,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:39,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:39,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:39,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:40,000 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-26 15:15:40,000 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 15:15:40,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:40,002 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-26 15:15:40,002 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-26 15:15:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:40,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:40,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:15:40,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 15:15:40,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:40,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:40,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:40,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:40,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:40,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:40,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:40,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:40,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,052 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.8 percent of original size [2021-03-26 15:15:40,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 15:15:40,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,055 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 15:15:40,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 15:15:40,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 15:15:40,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:15:40,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 15:15:40,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.1 percent of original size [2021-03-26 15:15:40,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 15:15:40,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 15:15:40,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 15:15:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 15:15:40,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 15:15:40,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 15:15:40,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 15:15:40,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 15:15:40,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 15:15:40,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 15:15:40,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 15:15:40,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 15:15:40,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 15:15:40,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 15:15:40,140 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 74 [2021-03-26 15:15:40,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,146 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.6 percent of original size [2021-03-26 15:15:40,146 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:15:40,147 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,151 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,152 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,159 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,160 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,162 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,162 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,165 INFO L147 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size 26 [2021-03-26 15:15:40,166 INFO L147 QuantifierPusher]: treesize reduction 17, result has 77.0 percent of original size 57 [2021-03-26 15:15:40,167 INFO L147 QuantifierPusher]: treesize reduction 34, result has 73.0 percent of original size 92 [2021-03-26 15:15:40,169 INFO L147 QuantifierPusher]: treesize reduction 41, result has 77.2 percent of original size 139 [2021-03-26 15:15:40,171 INFO L147 QuantifierPusher]: treesize reduction 41, result has 77.2 percent of original size 139 [2021-03-26 15:15:40,175 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,176 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,178 INFO L142 QuantifierPusher]: treesize reduction 41, result has 82.2 percent of original size [2021-03-26 15:15:40,178 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-26 15:15:40,179 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,180 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.6 percent of original size [2021-03-26 15:15:40,181 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,183 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,184 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size [2021-03-26 15:15:40,186 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size 52 [2021-03-26 15:15:40,187 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:15:40,188 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,189 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-03-26 15:15:40,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,192 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,192 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-03-26 15:15:40,194 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-26 15:15:40,195 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,196 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,197 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,198 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,200 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-26 15:15:40,201 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,203 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,203 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-03-26 15:15:40,204 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-26 15:15:40,206 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.7 percent of original size 75 [2021-03-26 15:15:40,207 INFO L147 QuantifierPusher]: treesize reduction -10, result has 108.8 percent of original size 124 [2021-03-26 15:15:40,208 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.4 percent of original size 181 [2021-03-26 15:15:40,210 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,211 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,213 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:15:40,214 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,215 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,216 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,217 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-03-26 15:15:40,219 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,220 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,222 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-26 15:15:40,223 INFO L147 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size 30 [2021-03-26 15:15:40,225 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,226 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,227 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.9 percent of original size [2021-03-26 15:15:40,228 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size 52 [2021-03-26 15:15:40,229 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.8 percent of original size 87 [2021-03-26 15:15:40,230 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,231 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,234 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:15:40,235 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,236 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-03-26 15:15:40,239 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,240 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,240 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.3 percent of original size [2021-03-26 15:15:40,242 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-26 15:15:40,244 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,249 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,252 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,255 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,255 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-03-26 15:15:40,257 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-26 15:15:40,257 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,258 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,260 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-26 15:15:40,261 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.7 percent of original size 75 [2021-03-26 15:15:40,262 INFO L147 QuantifierPusher]: treesize reduction -10, result has 108.8 percent of original size 124 [2021-03-26 15:15:40,263 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-26 15:15:40,263 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,266 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,266 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,269 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-26 15:15:40,274 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,275 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.3 percent of original size [2021-03-26 15:15:40,277 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-26 15:15:40,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,283 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-26 15:15:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:40,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:40,286 INFO L147 QuantifierPusher]: treesize reduction -8, result has 107.9 percent of original size 109 [2021-03-26 15:15:40,288 INFO L147 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 217 [2021-03-26 15:15:40,290 INFO L147 QuantifierPusher]: treesize reduction 14, result has 95.8 percent of original size 319 [2021-03-26 15:15:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 515 [2021-03-26 15:15:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 515 [2021-03-26 15:15:40,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,301 INFO L147 QuantifierPusher]: treesize reduction 67, result has 87.0 percent of original size 448 [2021-03-26 15:15:40,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:40,667 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-03-26 15:15:40,668 INFO L628 ElimStorePlain]: treesize reduction 348, result has 33.6 percent of original size [2021-03-26 15:15:40,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,677 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,678 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,679 INFO L142 QuantifierPusher]: treesize reduction 30, result has 81.9 percent of original size [2021-03-26 15:15:40,680 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,681 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,684 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-26 15:15:40,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,691 INFO L147 QuantifierPusher]: treesize reduction 37, result has 86.8 percent of original size 244 [2021-03-26 15:15:40,694 INFO L147 QuantifierPusher]: treesize reduction 36, result has 88.0 percent of original size 263 [2021-03-26 15:15:40,695 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-26 15:15:40,696 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,699 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,703 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,706 INFO L147 QuantifierPusher]: treesize reduction -5, result has 106.3 percent of original size 84 [2021-03-26 15:15:40,710 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-26 15:15:40,712 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,724 INFO L147 QuantifierPusher]: treesize reduction 84, result has 90.6 percent of original size 813 [2021-03-26 15:15:40,728 INFO L147 QuantifierPusher]: treesize reduction 74, result has 93.1 percent of original size 994 [2021-03-26 15:15:40,733 INFO L147 QuantifierPusher]: treesize reduction 110, result has 92.0 percent of original size 1261 [2021-03-26 15:15:40,734 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,735 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,736 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,736 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,738 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 15:15:40,739 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-26 15:15:40,740 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,743 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,744 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,747 INFO L147 QuantifierPusher]: treesize reduction -2, result has 102.4 percent of original size 84 [2021-03-26 15:15:40,749 INFO L147 QuantifierPusher]: treesize reduction -3, result has 102.6 percent of original size 119 [2021-03-26 15:15:40,750 INFO L147 QuantifierPusher]: treesize reduction 1, result has 99.3 percent of original size 143 [2021-03-26 15:15:40,755 INFO L147 QuantifierPusher]: treesize reduction 111, result has 92.7 percent of original size 1409 [2021-03-26 15:15:40,761 INFO L147 QuantifierPusher]: treesize reduction 111, result has 92.7 percent of original size 1409 [2021-03-26 15:15:40,762 INFO L725 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2021-03-26 15:15:40,764 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,771 INFO L142 QuantifierPusher]: treesize reduction 303, result has 81.0 percent of original size [2021-03-26 15:15:40,771 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,772 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,777 INFO L147 QuantifierPusher]: treesize reduction 35, result has 70.6 percent of original size 84 [2021-03-26 15:15:40,832 INFO L725 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2021-03-26 15:15:40,833 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,857 INFO L147 QuantifierPusher]: treesize reduction 121, result has 48.1 percent of original size 112 [2021-03-26 15:15:40,858 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,859 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,864 INFO L142 QuantifierPusher]: treesize reduction 18, result has 85.1 percent of original size [2021-03-26 15:15:40,865 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,865 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,868 INFO L147 QuantifierPusher]: treesize reduction -7, result has 105.1 percent of original size 143 [2021-03-26 15:15:40,869 INFO L147 QuantifierPusher]: treesize reduction -7, result has 105.1 percent of original size 143 [2021-03-26 15:15:40,870 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,871 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,872 INFO L142 QuantifierPusher]: treesize reduction -7, result has 104.3 percent of original size [2021-03-26 15:15:40,874 INFO L147 QuantifierPusher]: treesize reduction 123, result has 43.8 percent of original size 96 [2021-03-26 15:15:40,876 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,879 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.7 percent of original size [2021-03-26 15:15:40,881 INFO L147 QuantifierPusher]: treesize reduction -4, result has 107.4 percent of original size 58 [2021-03-26 15:15:40,882 INFO L147 QuantifierPusher]: treesize reduction 119, result has 60.1 percent of original size 179 [2021-03-26 15:15:40,883 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:40,884 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,886 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:40,886 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,888 INFO L147 QuantifierPusher]: treesize reduction 26, result has 79.4 percent of original size 100 [2021-03-26 15:15:40,889 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2021-03-26 15:15:40,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,892 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,893 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,897 INFO L147 QuantifierPusher]: treesize reduction -8, result has 110.7 percent of original size 83 [2021-03-26 15:15:40,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,902 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,902 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,905 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.1 percent of original size 186 [2021-03-26 15:15:40,906 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.1 percent of original size 186 [2021-03-26 15:15:40,906 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,907 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,908 INFO L142 QuantifierPusher]: treesize reduction -14, result has 107.2 percent of original size [2021-03-26 15:15:40,911 INFO L147 QuantifierPusher]: treesize reduction 117, result has 54.3 percent of original size 139 [2021-03-26 15:15:40,913 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:40,913 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:40,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,916 INFO L147 QuantifierPusher]: treesize reduction -5, result has 106.4 percent of original size 83 [2021-03-26 15:15:40,918 INFO L147 QuantifierPusher]: treesize reduction 119, result has 76.5 percent of original size 387 [2021-03-26 15:15:40,920 INFO L147 QuantifierPusher]: treesize reduction 145, result has 77.2 percent of original size 492 [2021-03-26 15:15:40,941 INFO L147 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size 1035 [2021-03-26 15:15:40,947 INFO L147 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size 1035 [2021-03-26 15:15:40,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-03-26 15:15:40,948 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:1586 [2021-03-26 15:15:40,954 INFO L142 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size [2021-03-26 15:15:40,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1035 [2021-03-26 15:15:40,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:40,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1035 [2021-03-26 15:15:41,216 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 51 [2021-03-26 15:15:41,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:41,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-26 15:15:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:41,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:41,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-26 15:15:41,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068625109] [2021-03-26 15:15:41,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:15:41,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:41,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:15:41,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:15:41,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:41,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 304 transitions, 5041 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) [2021-03-26 15:15:41,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:41,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:41,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:41,459 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-03-26 15:15:41,767 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][24], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 44#(= s2 s1), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:41,767 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:41,767 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:41,767 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:41,767 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:41,774 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][35], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1)]) [2021-03-26 15:15:41,774 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:41,774 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:41,774 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:41,774 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:41,862 INFO L129 PetriNetUnfolder]: 597/1178 cut-off events. [2021-03-26 15:15:41,862 INFO L130 PetriNetUnfolder]: For 5800/5923 co-relation queries the response was YES. [2021-03-26 15:15:41,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7193 conditions, 1178 events. 597/1178 cut-off events. For 5800/5923 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7209 event pairs, 0 based on Foata normal form. 30/1134 useless extension candidates. Maximal degree in co-relation 6634. Up to 529 conditions per place. [2021-03-26 15:15:41,884 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 189 selfloop transitions, 144 changer transitions 0/345 dead transitions. [2021-03-26 15:15:41,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 345 transitions, 6405 flow [2021-03-26 15:15:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:15:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:15:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 199 transitions. [2021-03-26 15:15:41,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6503267973856209 [2021-03-26 15:15:41,885 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 199 transitions. [2021-03-26 15:15:41,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 199 transitions. [2021-03-26 15:15:41,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:41,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 199 transitions. [2021-03-26 15:15:41,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 22.11111111111111) internal successors, (199), 9 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:41,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:41,887 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:41,887 INFO L185 Difference]: Start difference. First operand has 113 places, 304 transitions, 5041 flow. Second operand 9 states and 199 transitions. [2021-03-26 15:15:41,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 345 transitions, 6405 flow [2021-03-26 15:15:41,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 345 transitions, 6122 flow, removed 91 selfloop flow, removed 4 redundant places. [2021-03-26 15:15:41,930 INFO L241 Difference]: Finished difference. Result has 120 places, 345 transitions, 6059 flow [2021-03-26 15:15:41,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4784, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6059, PETRI_PLACES=120, PETRI_TRANSITIONS=345} [2021-03-26 15:15:41,931 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 93 predicate places. [2021-03-26 15:15:41,931 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:41,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 345 transitions, 6059 flow [2021-03-26 15:15:41,931 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 345 transitions, 6059 flow [2021-03-26 15:15:41,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 345 transitions, 6059 flow [2021-03-26 15:15:41,972 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][342], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 949#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))]) [2021-03-26 15:15:41,972 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:41,972 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:41,972 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:41,972 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:41,977 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][246], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:41,978 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:41,978 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:41,978 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:41,978 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,038 INFO L129 PetriNetUnfolder]: 579/1141 cut-off events. [2021-03-26 15:15:42,038 INFO L130 PetriNetUnfolder]: For 5903/5993 co-relation queries the response was YES. [2021-03-26 15:15:42,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6652 conditions, 1141 events. 579/1141 cut-off events. For 5903/5993 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7142 event pairs, 0 based on Foata normal form. 2/1074 useless extension candidates. Maximal degree in co-relation 6134. Up to 233 conditions per place. [2021-03-26 15:15:42,061 INFO L142 LiptonReduction]: Number of co-enabled transitions 3366 [2021-03-26 15:15:42,087 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:42,087 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:42,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-03-26 15:15:42,088 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 345 transitions, 6059 flow [2021-03-26 15:15:42,088 INFO L481 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) [2021-03-26 15:15:42,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:42,088 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:42,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:42,304 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:42,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:42,304 INFO L82 PathProgramCache]: Analyzing trace with hash 632211053, now seen corresponding path program 3 times [2021-03-26 15:15:42,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:42,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320874757] [2021-03-26 15:15:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:42,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:42,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,333 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-26 15:15:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:42,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:42,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:42,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320874757] [2021-03-26 15:15:42,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178540932] [2021-03-26 15:15:42,343 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:42,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 15:15:42,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:42,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 15:15:42,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:42,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:42,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:42,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:42,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:42,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:42,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:42,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:42,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:42,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:42,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:42,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:42,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:42,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:42,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:42,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:42,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:42,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:42,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:42,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:42,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:42,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:42,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:42,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:42,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:42,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:42,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:42,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-26 15:15:42,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149906904] [2021-03-26 15:15:42,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:15:42,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:42,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:15:42,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:15:42,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:42,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 345 transitions, 6059 flow. Second operand has 9 states, 9 states have (on average 23.444444444444443) internal successors, (211), 9 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:42,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:42,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:42,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:42,581 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][27], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 949#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))]) [2021-03-26 15:15:42,582 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,582 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:42,582 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:42,585 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][44], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), 1052#(<= (+ i2 1) i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:42,585 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,585 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,585 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:42,585 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:42,610 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][17], [5#L80true, 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 54#(<= i2 i1), 1056#(<= (+ i2 2) i1), 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), Black: 884#(<= (+ i2 2) i1), 885#(<= (+ i2 3) i1), 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 949#true, Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:42,610 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:42,610 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:42,610 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:42,610 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:42,700 INFO L129 PetriNetUnfolder]: 654/1291 cut-off events. [2021-03-26 15:15:42,700 INFO L130 PetriNetUnfolder]: For 7668/7732 co-relation queries the response was YES. [2021-03-26 15:15:42,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8045 conditions, 1291 events. 654/1291 cut-off events. For 7668/7732 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8069 event pairs, 0 based on Foata normal form. 14/1230 useless extension candidates. Maximal degree in co-relation 7426. Up to 269 conditions per place. [2021-03-26 15:15:42,720 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 114 selfloop transitions, 256 changer transitions 0/382 dead transitions. [2021-03-26 15:15:42,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 382 transitions, 7411 flow [2021-03-26 15:15:42,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:15:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:15:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 315 transitions. [2021-03-26 15:15:42,722 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7720588235294118 [2021-03-26 15:15:42,722 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 315 transitions. [2021-03-26 15:15:42,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 315 transitions. [2021-03-26 15:15:42,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:42,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 315 transitions. [2021-03-26 15:15:42,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 26.25) internal successors, (315), 12 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:42,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:42,729 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:42,729 INFO L185 Difference]: Start difference. First operand has 120 places, 345 transitions, 6059 flow. Second operand 12 states and 315 transitions. [2021-03-26 15:15:42,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 382 transitions, 7411 flow [2021-03-26 15:15:42,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 382 transitions, 7350 flow, removed 22 selfloop flow, removed 3 redundant places. [2021-03-26 15:15:42,790 INFO L241 Difference]: Finished difference. Result has 132 places, 380 transitions, 7534 flow [2021-03-26 15:15:42,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5948, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7534, PETRI_PLACES=132, PETRI_TRANSITIONS=380} [2021-03-26 15:15:42,791 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 105 predicate places. [2021-03-26 15:15:42,791 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:42,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 380 transitions, 7534 flow [2021-03-26 15:15:42,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 380 transitions, 7534 flow [2021-03-26 15:15:42,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 380 transitions, 7534 flow [2021-03-26 15:15:42,844 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][4], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 949#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))]) [2021-03-26 15:15:42,844 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,844 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:42,844 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:42,844 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,849 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][290], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:42,850 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,850 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:42,850 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:42,850 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:42,931 INFO L129 PetriNetUnfolder]: 631/1249 cut-off events. [2021-03-26 15:15:42,931 INFO L130 PetriNetUnfolder]: For 8140/8243 co-relation queries the response was YES. [2021-03-26 15:15:42,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8133 conditions, 1249 events. 631/1249 cut-off events. For 8140/8243 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 7919 event pairs, 0 based on Foata normal form. 2/1180 useless extension candidates. Maximal degree in co-relation 7544. Up to 245 conditions per place. [2021-03-26 15:15:42,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 3726 [2021-03-26 15:15:42,983 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:42,983 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:42,983 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-26 15:15:42,984 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 380 transitions, 7534 flow [2021-03-26 15:15:42,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 23.444444444444443) internal successors, (211), 9 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:42,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:42,984 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:43,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:43,205 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:43,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:43,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1510143607, now seen corresponding path program 4 times [2021-03-26 15:15:43,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:43,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189342360] [2021-03-26 15:15:43,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:43,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:43,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:43,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:43,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189342360] [2021-03-26 15:15:43,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810801899] [2021-03-26 15:15:43,241 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:43,280 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 15:15:43,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:43,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 15:15:43,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:43,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:43,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:43,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:43,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:43,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:43,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:43,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:43,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:43,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:43,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:43,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:43,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:43,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:43,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:43,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:43,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:43,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:43,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:43,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:43,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:43,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:43,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:43,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:43,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:43,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:43,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:43,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 15:15:43,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-03-26 15:15:43,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936812847] [2021-03-26 15:15:43,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 15:15:43,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:43,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 15:15:43,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:15:43,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:15:43,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 380 transitions, 7534 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) [2021-03-26 15:15:43,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:43,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:15:43,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:43,429 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][25], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, 1108#(<= i2 i1), Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 949#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))]) [2021-03-26 15:15:43,429 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,429 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,429 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:43,429 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:43,437 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][36], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, 1108#(<= i2 i1), Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:43,437 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,437 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,437 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:43,438 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:43,570 INFO L129 PetriNetUnfolder]: 738/1452 cut-off events. [2021-03-26 15:15:43,570 INFO L130 PetriNetUnfolder]: For 10546/10708 co-relation queries the response was YES. [2021-03-26 15:15:43,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9988 conditions, 1452 events. 738/1452 cut-off events. For 10546/10708 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9235 event pairs, 0 based on Foata normal form. 26/1383 useless extension candidates. Maximal degree in co-relation 9198. Up to 289 conditions per place. [2021-03-26 15:15:43,592 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 111 selfloop transitions, 306 changer transitions 0/429 dead transitions. [2021-03-26 15:15:43,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 429 transitions, 9330 flow [2021-03-26 15:15:43,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 15:15:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 15:15:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2021-03-26 15:15:43,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2021-03-26 15:15:43,594 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 158 transitions. [2021-03-26 15:15:43,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 158 transitions. [2021-03-26 15:15:43,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:43,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 158 transitions. [2021-03-26 15:15:43,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:43,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:43,595 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:43,595 INFO L185 Difference]: Start difference. First operand has 132 places, 380 transitions, 7534 flow. Second operand 6 states and 158 transitions. [2021-03-26 15:15:43,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 429 transitions, 9330 flow [2021-03-26 15:15:43,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 429 transitions, 8878 flow, removed 162 selfloop flow, removed 7 redundant places. [2021-03-26 15:15:43,661 INFO L241 Difference]: Finished difference. Result has 135 places, 427 transitions, 9314 flow [2021-03-26 15:15:43,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=7121, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9314, PETRI_PLACES=135, PETRI_TRANSITIONS=427} [2021-03-26 15:15:43,661 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 108 predicate places. [2021-03-26 15:15:43,661 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:43,661 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 427 transitions, 9314 flow [2021-03-26 15:15:43,661 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 427 transitions, 9314 flow [2021-03-26 15:15:43,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 427 transitions, 9314 flow [2021-03-26 15:15:43,699 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][290], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, 1108#(<= i2 i1), Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 158#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 949#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))]) [2021-03-26 15:15:43,699 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,699 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:43,699 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,699 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 15:15:43,709 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][26], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 158#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:43,709 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,709 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:43,709 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:43,709 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:43,777 INFO L129 PetriNetUnfolder]: 713/1383 cut-off events. [2021-03-26 15:15:43,777 INFO L130 PetriNetUnfolder]: For 11081/11194 co-relation queries the response was YES. [2021-03-26 15:15:43,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9892 conditions, 1383 events. 713/1383 cut-off events. For 11081/11194 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8788 event pairs, 0 based on Foata normal form. 3/1309 useless extension candidates. Maximal degree in co-relation 9182. Up to 265 conditions per place. [2021-03-26 15:15:43,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 4146 [2021-03-26 15:15:43,855 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:43,855 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:43,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-03-26 15:15:43,856 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 427 transitions, 9314 flow [2021-03-26 15:15:43,856 INFO L481 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) [2021-03-26 15:15:43,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:43,856 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:44,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:44,065 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:44,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:44,065 INFO L82 PathProgramCache]: Analyzing trace with hash -581335632, now seen corresponding path program 6 times [2021-03-26 15:15:44,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:44,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601282104] [2021-03-26 15:15:44,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:44,137 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-26 15:15:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:44,151 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-26 15:15:44,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,161 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-26 15:15:44,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:44,171 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-26 15:15:44,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:15:44,183 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-26 15:15:44,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:15:44,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:44,213 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:15:44,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:44,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601282104] [2021-03-26 15:15:44,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108735995] [2021-03-26 15:15:44,230 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 [2021-03-26 15:15:44,263 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-26 15:15:44,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:44,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:15:44,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:44,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:44,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,274 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-26 15:15:44,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:15:44,275 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-26 15:15:44,275 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 15:15:44,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:44,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:44,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,290 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 15:15:44,290 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-26 15:15:44,291 INFO L147 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size 16 [2021-03-26 15:15:44,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-26 15:15:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:44,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:44,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,307 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-26 15:15:44,308 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-26 15:15:44,308 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-26 15:15:44,308 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 15:15:44,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:44,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:15:44,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:44,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:44,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:44,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,352 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-26 15:15:44,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-26 15:15:44,353 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-26 15:15:44,353 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-26 15:15:44,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:44,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,377 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 15:15:44,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-26 15:15:44,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:44,378 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:15:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:44,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:44,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:44,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:44,408 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,409 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 25 treesize of output 53 [2021-03-26 15:15:44,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:44,411 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:15:44,412 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:44,412 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:44,413 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,414 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:44,414 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:44,414 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,415 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:44,415 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:44,415 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,417 INFO L147 QuantifierPusher]: treesize reduction 33, result has 68.9 percent of original size 73 [2021-03-26 15:15:44,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:44,419 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:44,420 INFO L142 QuantifierPusher]: treesize reduction 43, result has 67.9 percent of original size [2021-03-26 15:15:44,421 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:44,422 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:44,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,424 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size 47 [2021-03-26 15:15:44,425 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-26 15:15:44,425 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-26 15:15:44,426 INFO L142 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size [2021-03-26 15:15:44,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-26 15:15:44,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:44,534 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2021-03-26 15:15:44,535 INFO L628 ElimStorePlain]: treesize reduction 49, result has 54.6 percent of original size [2021-03-26 15:15:44,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:44,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:59 [2021-03-26 15:15:44,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:44,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:44,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 15:15:44,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35986510] [2021-03-26 15:15:44,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:15:44,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:44,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:15:44,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:15:44,602 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:44,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 427 transitions, 9314 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:44,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:44,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:44,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:45,123 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][43], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 218#(<= i2 i1), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:45,123 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:45,123 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:45,123 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:45,123 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:45,163 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][76], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 1108#(<= i2 i1), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:45,163 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,163 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,163 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,164 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,194 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), 18#L36true, Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 44#(= s2 s1), Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:45,194 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:15:45,194 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:45,194 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:45,194 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:15:45,326 INFO L129 PetriNetUnfolder]: 917/1803 cut-off events. [2021-03-26 15:15:45,326 INFO L130 PetriNetUnfolder]: For 13742/13840 co-relation queries the response was YES. [2021-03-26 15:15:45,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12922 conditions, 1803 events. 917/1803 cut-off events. For 13742/13840 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 12136 event pairs, 0 based on Foata normal form. 17/1706 useless extension candidates. Maximal degree in co-relation 11994. Up to 565 conditions per place. [2021-03-26 15:15:45,348 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 210 selfloop transitions, 298 changer transitions 0/520 dead transitions. [2021-03-26 15:15:45,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 520 transitions, 12040 flow [2021-03-26 15:15:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:15:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:15:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 333 transitions. [2021-03-26 15:15:45,349 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6529411764705882 [2021-03-26 15:15:45,349 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 333 transitions. [2021-03-26 15:15:45,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 333 transitions. [2021-03-26 15:15:45,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:45,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 333 transitions. [2021-03-26 15:15:45,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 22.2) internal successors, (333), 15 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:45,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:45,351 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:45,351 INFO L185 Difference]: Start difference. First operand has 135 places, 427 transitions, 9314 flow. Second operand 15 states and 333 transitions. [2021-03-26 15:15:45,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 520 transitions, 12040 flow [2021-03-26 15:15:45,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 520 transitions, 11674 flow, removed 183 selfloop flow, removed 0 redundant places. [2021-03-26 15:15:45,448 INFO L241 Difference]: Finished difference. Result has 152 places, 520 transitions, 11688 flow [2021-03-26 15:15:45,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=8978, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11688, PETRI_PLACES=152, PETRI_TRANSITIONS=520} [2021-03-26 15:15:45,449 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 125 predicate places. [2021-03-26 15:15:45,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:45,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 520 transitions, 11688 flow [2021-03-26 15:15:45,449 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 520 transitions, 11688 flow [2021-03-26 15:15:45,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 520 transitions, 11688 flow [2021-03-26 15:15:45,514 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][240], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, Black: 44#(= s2 s1), 949#true, 54#(<= i2 i1), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:45,515 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:45,515 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:45,515 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:45,515 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:45,529 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][282], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, Black: 44#(= s2 s1), 949#true, 54#(<= i2 i1), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:45,529 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,529 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,529 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,529 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:45,567 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][306], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 44#(= s2 s1), Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:45,567 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-03-26 15:15:45,567 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:45,567 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:45,567 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:45,596 INFO L129 PetriNetUnfolder]: 880/1703 cut-off events. [2021-03-26 15:15:45,596 INFO L130 PetriNetUnfolder]: For 13700/13825 co-relation queries the response was YES. [2021-03-26 15:15:45,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12460 conditions, 1703 events. 880/1703 cut-off events. For 13700/13825 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11337 event pairs, 0 based on Foata normal form. 2/1611 useless extension candidates. Maximal degree in co-relation 11634. Up to 305 conditions per place. [2021-03-26 15:15:45,620 INFO L142 LiptonReduction]: Number of co-enabled transitions 5118 [2021-03-26 15:15:45,669 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:45,669 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:45,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-03-26 15:15:45,669 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 520 transitions, 11688 flow [2021-03-26 15:15:45,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:45,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:45,670 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:45,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-03-26 15:15:45,872 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:45,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:45,872 INFO L82 PathProgramCache]: Analyzing trace with hash -2059252656, now seen corresponding path program 5 times [2021-03-26 15:15:45,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:45,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968808985] [2021-03-26 15:15:45,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:45,908 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-26 15:15:45,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:45,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:45,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:45,925 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-26 15:15:45,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 15:15:45,940 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-03-26 15:15:45,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:15:45,969 INFO L142 QuantifierPusher]: treesize reduction 65, result has 46.3 percent of original size [2021-03-26 15:15:45,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:15:46,006 INFO L142 QuantifierPusher]: treesize reduction 40, result has 39.4 percent of original size [2021-03-26 15:15:46,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:46,024 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 15:15:46,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:46,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968808985] [2021-03-26 15:15:46,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079120887] [2021-03-26 15:15:46,051 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 [2021-03-26 15:15:46,080 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-26 15:15:46,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:46,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:15:46,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:46,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:46,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,090 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-03-26 15:15:46,090 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-26 15:15:46,090 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-26 15:15:46,091 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 15:15:46,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,104 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-26 15:15:46,104 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 15:15:46,108 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-26 15:15:46,108 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 15:15:46,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:46,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,127 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-03-26 15:15:46,128 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 15:15:46,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:46,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:46,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:46,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:46,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:46,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:46,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:46,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,150 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-03-26 15:15:46,151 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-03-26 15:15:46,151 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-26 15:15:46,151 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-26 15:15:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:46,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:46,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,169 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 15:15:46,169 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-26 15:15:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:46,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,200 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 15:15:46,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-26 15:15:46,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:46,201 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:15:46,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:46,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:46,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:46,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:46,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:46,222 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,222 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 25 treesize of output 53 [2021-03-26 15:15:46,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:46,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:15:46,225 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:46,225 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:46,226 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,226 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:46,226 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:46,227 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,227 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:46,228 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:46,228 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,232 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size 88 [2021-03-26 15:15:46,232 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:46,233 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:46,234 INFO L142 QuantifierPusher]: treesize reduction 68, result has 68.7 percent of original size [2021-03-26 15:15:46,234 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:46,235 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:46,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,240 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-26 15:15:46,240 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:46,241 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:46,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,243 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size 45 [2021-03-26 15:15:46,244 INFO L147 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size 208 [2021-03-26 15:15:46,245 INFO L147 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size 208 [2021-03-26 15:15:46,246 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size [2021-03-26 15:15:46,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-03-26 15:15:46,247 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:46,405 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2021-03-26 15:15:46,405 INFO L628 ElimStorePlain]: treesize reduction 111, result has 46.6 percent of original size [2021-03-26 15:15:46,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,406 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:46,406 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:97 [2021-03-26 15:15:46,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:46,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:46,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:46,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 15:15:46,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58229562] [2021-03-26 15:15:46,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:15:46,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:46,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:15:46,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:15:46,477 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:46,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 520 transitions, 11688 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:46,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:46,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:46,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:46,955 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][36], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, Black: 44#(= s2 s1), 949#true, 54#(<= i2 i1), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:46,955 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:46,955 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:46,956 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:46,956 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:46,994 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, Black: 44#(= s2 s1), 949#true, 54#(<= i2 i1), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:46,994 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:46,994 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:46,994 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:46,994 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:47,239 INFO L129 PetriNetUnfolder]: 1041/2055 cut-off events. [2021-03-26 15:15:47,239 INFO L130 PetriNetUnfolder]: For 16380/16558 co-relation queries the response was YES. [2021-03-26 15:15:47,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15675 conditions, 2055 events. 1041/2055 cut-off events. For 16380/16558 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 14261 event pairs, 0 based on Foata normal form. 43/1973 useless extension candidates. Maximal degree in co-relation 14654. Up to 1041 conditions per place. [2021-03-26 15:15:47,274 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 408 selfloop transitions, 181 changer transitions 0/601 dead transitions. [2021-03-26 15:15:47,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 601 transitions, 14658 flow [2021-03-26 15:15:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:15:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:15:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-26 15:15:47,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-26 15:15:47,275 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-26 15:15:47,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-26 15:15:47,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:47,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-26 15:15:47,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.823529411764707) internal successors, (371), 17 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:47,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:47,277 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:47,278 INFO L185 Difference]: Start difference. First operand has 152 places, 520 transitions, 11688 flow. Second operand 17 states and 371 transitions. [2021-03-26 15:15:47,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 601 transitions, 14658 flow [2021-03-26 15:15:47,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 601 transitions, 14452 flow, removed 73 selfloop flow, removed 5 redundant places. [2021-03-26 15:15:47,464 INFO L241 Difference]: Finished difference. Result has 168 places, 601 transitions, 13937 flow [2021-03-26 15:15:47,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=11506, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13937, PETRI_PLACES=168, PETRI_TRANSITIONS=601} [2021-03-26 15:15:47,465 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 141 predicate places. [2021-03-26 15:15:47,465 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:47,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 601 transitions, 13937 flow [2021-03-26 15:15:47,465 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 601 transitions, 13937 flow [2021-03-26 15:15:47,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 601 transitions, 13937 flow [2021-03-26 15:15:47,532 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][310], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:47,533 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 15:15:47,533 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:47,533 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 15:15:47,533 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:47,555 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][324], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:47,555 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:47,555 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:47,555 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:47,555 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:47,658 INFO L129 PetriNetUnfolder]: 996/1938 cut-off events. [2021-03-26 15:15:47,659 INFO L130 PetriNetUnfolder]: For 16052/16177 co-relation queries the response was YES. [2021-03-26 15:15:47,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14818 conditions, 1938 events. 996/1938 cut-off events. For 16052/16177 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 13331 event pairs, 0 based on Foata normal form. 2/1835 useless extension candidates. Maximal degree in co-relation 14186. Up to 349 conditions per place. [2021-03-26 15:15:47,694 INFO L142 LiptonReduction]: Number of co-enabled transitions 5958 [2021-03-26 15:15:47,746 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:47,746 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:47,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-03-26 15:15:47,746 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 601 transitions, 13937 flow [2021-03-26 15:15:47,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:47,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:47,747 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:47,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-26 15:15:47,953 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:47,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:47,953 INFO L82 PathProgramCache]: Analyzing trace with hash 875659922, now seen corresponding path program 7 times [2021-03-26 15:15:47,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:47,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867594118] [2021-03-26 15:15:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:47,989 INFO L142 QuantifierPusher]: treesize reduction 45, result has 28.6 percent of original size [2021-03-26 15:15:47,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:48,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,013 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-03-26 15:15:48,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:15:48,032 INFO L142 QuantifierPusher]: treesize reduction 30, result has 63.9 percent of original size [2021-03-26 15:15:48,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 15:15:48,066 INFO L142 QuantifierPusher]: treesize reduction 50, result has 57.3 percent of original size [2021-03-26 15:15:48,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 15:15:48,100 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 15:15:48,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:15:48,115 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-03-26 15:15:48,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:15:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:48,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867594118] [2021-03-26 15:15:48,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862614609] [2021-03-26 15:15:48,148 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:48,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:15:48,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:48,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:48,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:48,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,205 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-26 15:15:48,205 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:48,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:48,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:48,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:48,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:48,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:48,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:48,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:48,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:48,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,239 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-26 15:15:48,239 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 15:15:48,241 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:15:48,241 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 15:15:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:48,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:48,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,257 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 15:15:48,257 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 15:15:48,257 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-26 15:15:48,258 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:15:48,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:48,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,270 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 15:15:48,271 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-26 15:15:48,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:48,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:48,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:48,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:15:48,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:48,289 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:15:48,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:48,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:48,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:48,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:48,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:48,313 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,313 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 25 treesize of output 53 [2021-03-26 15:15:48,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:48,315 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:15:48,316 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:48,316 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:48,317 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,318 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:48,318 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:48,319 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,319 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:48,319 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:48,320 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,322 INFO L147 QuantifierPusher]: treesize reduction 35, result has 67.6 percent of original size 73 [2021-03-26 15:15:48,322 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:48,322 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:48,324 INFO L142 QuantifierPusher]: treesize reduction 93, result has 60.1 percent of original size [2021-03-26 15:15:48,324 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:48,325 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:48,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,327 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-03-26 15:15:48,328 INFO L147 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size 154 [2021-03-26 15:15:48,329 INFO L147 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size 154 [2021-03-26 15:15:48,330 INFO L142 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size [2021-03-26 15:15:48,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-03-26 15:15:48,331 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:48,430 INFO L628 ElimStorePlain]: treesize reduction 82, result has 46.8 percent of original size [2021-03-26 15:15:48,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:48,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:72 [2021-03-26 15:15:48,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:48,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 15:15:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:48,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:48,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 15:15:48,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527885282] [2021-03-26 15:15:48,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:15:48,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:48,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:15:48,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:15:48,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:48,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 601 transitions, 13937 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:48,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:48,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:48,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:48,832 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-03-26 15:15:49,119 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][34], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:49,119 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:49,119 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:49,119 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:49,119 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:49,167 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 18#L36true, 403#true, Black: 218#(<= i2 i1), 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:49,167 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:49,167 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:49,167 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:49,167 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:49,173 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:49,173 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,173 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,173 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,173 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,437 INFO L129 PetriNetUnfolder]: 1138/2252 cut-off events. [2021-03-26 15:15:49,437 INFO L130 PetriNetUnfolder]: For 18534/18697 co-relation queries the response was YES. [2021-03-26 15:15:49,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18182 conditions, 2252 events. 1138/2252 cut-off events. For 18534/18697 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 15922 event pairs, 0 based on Foata normal form. 28/2158 useless extension candidates. Maximal degree in co-relation 17497. Up to 1185 conditions per place. [2021-03-26 15:15:49,471 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 480 selfloop transitions, 177 changer transitions 0/669 dead transitions. [2021-03-26 15:15:49,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 669 transitions, 17077 flow [2021-03-26 15:15:49,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:15:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:15:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-26 15:15:49,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-26 15:15:49,474 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-26 15:15:49,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-26 15:15:49,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:49,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-26 15:15:49,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.823529411764707) internal successors, (371), 17 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:49,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:49,476 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:49,476 INFO L185 Difference]: Start difference. First operand has 168 places, 601 transitions, 13937 flow. Second operand 17 states and 371 transitions. [2021-03-26 15:15:49,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 669 transitions, 17077 flow [2021-03-26 15:15:49,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 669 transitions, 16912 flow, removed 47 selfloop flow, removed 8 redundant places. [2021-03-26 15:15:49,676 INFO L241 Difference]: Finished difference. Result has 178 places, 669 transitions, 16144 flow [2021-03-26 15:15:49,676 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=13772, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=16144, PETRI_PLACES=178, PETRI_TRANSITIONS=669} [2021-03-26 15:15:49,676 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 151 predicate places. [2021-03-26 15:15:49,677 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:49,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 669 transitions, 16144 flow [2021-03-26 15:15:49,677 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 669 transitions, 16144 flow [2021-03-26 15:15:49,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 669 transitions, 16144 flow [2021-03-26 15:15:49,766 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][343], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, 21#L79true, Black: 218#(<= i2 i1), 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:49,766 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:49,766 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:49,766 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:49,766 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:49,783 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][359], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:49,783 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,783 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,783 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,783 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:49,905 INFO L129 PetriNetUnfolder]: 1115/2167 cut-off events. [2021-03-26 15:15:49,905 INFO L130 PetriNetUnfolder]: For 18274/18399 co-relation queries the response was YES. [2021-03-26 15:15:49,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17158 conditions, 2167 events. 1115/2167 cut-off events. For 18274/18399 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 15294 event pairs, 0 based on Foata normal form. 2/2058 useless extension candidates. Maximal degree in co-relation 16650. Up to 385 conditions per place. [2021-03-26 15:15:49,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 6672 [2021-03-26 15:15:49,999 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:49,999 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:49,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 322 [2021-03-26 15:15:50,000 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 669 transitions, 16144 flow [2021-03-26 15:15:50,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:50,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:50,000 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:50,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-03-26 15:15:50,204 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:50,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:50,204 INFO L82 PathProgramCache]: Analyzing trace with hash 492832063, now seen corresponding path program 6 times [2021-03-26 15:15:50,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:50,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886703650] [2021-03-26 15:15:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:50,219 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:15:50,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:50,223 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:15:50,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:50,229 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-03-26 15:15:50,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:50,236 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:15:50,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:50,242 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:15:50,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:50,250 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-26 15:15:50,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:15:50,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:15:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:50,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886703650] [2021-03-26 15:15:50,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117627457] [2021-03-26 15:15:50,261 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:50,299 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-26 15:15:50,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:50,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 15:15:50,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:50,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:50,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:50,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:50,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:50,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:50,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:50,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:50,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:50,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:50,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:50,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:50,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:50,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:50,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:50,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:50,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:50,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:50,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:15:50,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:50,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:15:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:15:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:15:50,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:50,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:15:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:50,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:50,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-03-26 15:15:50,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159438664] [2021-03-26 15:15:50,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 15:15:50,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:50,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 15:15:50,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-26 15:15:50,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-26 15:15:50,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 669 transitions, 16144 flow. Second operand has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:50,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:50,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-26 15:15:50,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:50,526 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][34], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 1438#true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:50,526 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:50,526 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:50,526 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:50,527 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:50,570 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 1438#true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:50,570 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:50,570 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:50,570 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:50,571 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:50,804 INFO L129 PetriNetUnfolder]: 1225/2419 cut-off events. [2021-03-26 15:15:50,804 INFO L130 PetriNetUnfolder]: For 19936/20062 co-relation queries the response was YES. [2021-03-26 15:15:50,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19768 conditions, 2419 events. 1225/2419 cut-off events. For 19936/20062 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 17386 event pairs, 0 based on Foata normal form. 22/2310 useless extension candidates. Maximal degree in co-relation 19120. Up to 797 conditions per place. [2021-03-26 15:15:50,831 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 364 selfloop transitions, 353 changer transitions 0/729 dead transitions. [2021-03-26 15:15:50,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 729 transitions, 18642 flow [2021-03-26 15:15:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:15:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:15:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 213 transitions. [2021-03-26 15:15:50,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696078431372549 [2021-03-26 15:15:50,834 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 213 transitions. [2021-03-26 15:15:50,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 213 transitions. [2021-03-26 15:15:50,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:50,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 213 transitions. [2021-03-26 15:15:50,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:50,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:50,835 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:50,835 INFO L185 Difference]: Start difference. First operand has 178 places, 669 transitions, 16144 flow. Second operand 9 states and 213 transitions. [2021-03-26 15:15:50,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 729 transitions, 18642 flow [2021-03-26 15:15:50,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 729 transitions, 18425 flow, removed 79 selfloop flow, removed 8 redundant places. [2021-03-26 15:15:50,987 INFO L241 Difference]: Finished difference. Result has 179 places, 723 transitions, 17799 flow [2021-03-26 15:15:50,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=15927, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17799, PETRI_PLACES=179, PETRI_TRANSITIONS=723} [2021-03-26 15:15:50,988 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 152 predicate places. [2021-03-26 15:15:50,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:50,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 723 transitions, 17799 flow [2021-03-26 15:15:50,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 723 transitions, 17799 flow [2021-03-26 15:15:50,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 723 transitions, 17799 flow [2021-03-26 15:15:51,044 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][369], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, 21#L79true, Black: 218#(<= i2 i1), 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 1438#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:51,044 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:51,044 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:51,044 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:51,044 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:51,077 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][386], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, 1438#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:51,078 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:15:51,078 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:51,078 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:51,078 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:15:51,181 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][433], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, 1438#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:51,181 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:15:51,182 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:51,182 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:51,182 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:51,260 INFO L129 PetriNetUnfolder]: 1210/2343 cut-off events. [2021-03-26 15:15:51,261 INFO L130 PetriNetUnfolder]: For 19153/19276 co-relation queries the response was YES. [2021-03-26 15:15:51,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18925 conditions, 2343 events. 1210/2343 cut-off events. For 19153/19276 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 16867 event pairs, 0 based on Foata normal form. 2/2223 useless extension candidates. Maximal degree in co-relation 18416. Up to 441 conditions per place. [2021-03-26 15:15:51,294 INFO L142 LiptonReduction]: Number of co-enabled transitions 7236 [2021-03-26 15:15:51,358 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:51,358 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:51,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-03-26 15:15:51,358 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 723 transitions, 17799 flow [2021-03-26 15:15:51,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:51,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:51,358 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:51,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:51,559 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:51,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:51,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1406977508, now seen corresponding path program 7 times [2021-03-26 15:15:51,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:51,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387695023] [2021-03-26 15:15:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:51,581 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-26 15:15:51,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:51,597 INFO L142 QuantifierPusher]: treesize reduction 39, result has 51.2 percent of original size [2021-03-26 15:15:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 15:15:51,620 INFO L142 QuantifierPusher]: treesize reduction 50, result has 41.2 percent of original size [2021-03-26 15:15:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:15:51,639 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-26 15:15:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 15:15:51,652 INFO L142 QuantifierPusher]: treesize reduction 39, result has 40.0 percent of original size [2021-03-26 15:15:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:51,664 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 15:15:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:51,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387695023] [2021-03-26 15:15:51,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179177976] [2021-03-26 15:15:51,682 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:51,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:15:51,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:51,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:51,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,731 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 15:15:51,732 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 15:15:51,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:51,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,741 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-03-26 15:15:51,742 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-26 15:15:51,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:51,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:51,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:51,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,753 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size 30 [2021-03-26 15:15:51,753 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size [2021-03-26 15:15:51,754 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size 32 [2021-03-26 15:15:51,754 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-26 15:15:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:15:51,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:15:51,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,771 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size 38 [2021-03-26 15:15:51,772 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size [2021-03-26 15:15:51,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:15:51,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:15:51,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:15:51,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,788 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.1 percent of original size 54 [2021-03-26 15:15:51,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.2 percent of original size [2021-03-26 15:15:51,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 15:15:51,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 15:15:51,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 15:15:51,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:15:51,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:51,806 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:15:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:51,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:51,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:51,824 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,825 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 25 treesize of output 53 [2021-03-26 15:15:51,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:51,826 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:15:51,826 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:51,826 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:51,827 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,827 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:51,827 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:51,828 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,828 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:51,828 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:51,829 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,830 INFO L147 QuantifierPusher]: treesize reduction 35, result has 67.6 percent of original size 73 [2021-03-26 15:15:51,830 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:51,831 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:51,832 INFO L142 QuantifierPusher]: treesize reduction 45, result has 66.9 percent of original size [2021-03-26 15:15:51,832 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:51,833 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:51,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,834 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size 47 [2021-03-26 15:15:51,835 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-26 15:15:51,836 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-26 15:15:51,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size [2021-03-26 15:15:51,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-26 15:15:51,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:51,928 INFO L628 ElimStorePlain]: treesize reduction 49, result has 54.6 percent of original size [2021-03-26 15:15:51,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:51,930 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:59 [2021-03-26 15:15:51,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 15:15:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:51,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:51,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 15:15:51,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650974373] [2021-03-26 15:15:51,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:15:51,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:51,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:15:51,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:15:51,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:51,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 723 transitions, 17799 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:51,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:51,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:51,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:52,612 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][34], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 1438#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:52,612 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:52,612 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:52,612 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:52,613 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:52,658 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][24], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 18#L36true, 403#true, Black: 218#(<= i2 i1), 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 1438#true, 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 76#(<= (+ i2 1) i1), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:52,659 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:52,659 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:52,659 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:52,659 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:52,682 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 1438#true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:52,682 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:52,682 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:52,682 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:52,682 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:52,724 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][24], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 18#L36true, 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 1438#true, 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 76#(<= (+ i2 1) i1), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:52,724 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:15:52,725 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:52,725 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:52,725 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:15:52,924 INFO L129 PetriNetUnfolder]: 1339/2651 cut-off events. [2021-03-26 15:15:52,924 INFO L130 PetriNetUnfolder]: For 22179/22355 co-relation queries the response was YES. [2021-03-26 15:15:52,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22191 conditions, 2651 events. 1339/2651 cut-off events. For 22179/22355 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 19397 event pairs, 0 based on Foata normal form. 34/2542 useless extension candidates. Maximal degree in co-relation 21542. Up to 1365 conditions per place. [2021-03-26 15:15:52,955 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 558 selfloop transitions, 217 changer transitions 0/787 dead transitions. [2021-03-26 15:15:52,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 787 transitions, 20833 flow [2021-03-26 15:15:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 15:15:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 15:15:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 398 transitions. [2021-03-26 15:15:52,956 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6503267973856209 [2021-03-26 15:15:52,956 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 398 transitions. [2021-03-26 15:15:52,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 398 transitions. [2021-03-26 15:15:52,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:52,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 398 transitions. [2021-03-26 15:15:52,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.11111111111111) internal successors, (398), 18 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) [2021-03-26 15:15:52,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 34.0) internal successors, (646), 19 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:52,958 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 34.0) internal successors, (646), 19 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:52,958 INFO L185 Difference]: Start difference. First operand has 179 places, 723 transitions, 17799 flow. Second operand 18 states and 398 transitions. [2021-03-26 15:15:52,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 787 transitions, 20833 flow [2021-03-26 15:15:53,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 787 transitions, 20182 flow, removed 55 selfloop flow, removed 5 redundant places. [2021-03-26 15:15:53,119 INFO L241 Difference]: Finished difference. Result has 194 places, 787 transitions, 19333 flow [2021-03-26 15:15:53,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=17240, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=19333, PETRI_PLACES=194, PETRI_TRANSITIONS=787} [2021-03-26 15:15:53,119 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 167 predicate places. [2021-03-26 15:15:53,119 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:53,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 787 transitions, 19333 flow [2021-03-26 15:15:53,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 787 transitions, 19333 flow [2021-03-26 15:15:53,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 787 transitions, 19333 flow [2021-03-26 15:15:53,189 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][531], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:53,189 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 15:15:53,189 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:53,190 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 15:15:53,190 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:53,227 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][424], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:53,227 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:53,227 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:53,227 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:53,227 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:53,305 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][254], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 403#true, Black: 218#(<= i2 i1), 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:53,305 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-03-26 15:15:53,305 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:53,305 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:15:53,305 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:53,332 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][254], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:53,332 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:15:53,332 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:15:53,332 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:53,332 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:15:53,380 INFO L129 PetriNetUnfolder]: 1324/2565 cut-off events. [2021-03-26 15:15:53,380 INFO L130 PetriNetUnfolder]: For 21299/21432 co-relation queries the response was YES. [2021-03-26 15:15:53,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20654 conditions, 2565 events. 1324/2565 cut-off events. For 21299/21432 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 18798 event pairs, 0 based on Foata normal form. 2/2449 useless extension candidates. Maximal degree in co-relation 20060. Up to 473 conditions per place. [2021-03-26 15:15:53,421 INFO L142 LiptonReduction]: Number of co-enabled transitions 7890 [2021-03-26 15:15:53,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:53,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:53,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 390 [2021-03-26 15:15:53,509 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 787 transitions, 19333 flow [2021-03-26 15:15:53,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:53,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:53,509 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:53,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:53,710 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:53,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:53,710 INFO L82 PathProgramCache]: Analyzing trace with hash -318368322, now seen corresponding path program 8 times [2021-03-26 15:15:53,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:53,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296037672] [2021-03-26 15:15:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:53,759 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:15:53,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:53,774 INFO L142 QuantifierPusher]: treesize reduction 45, result has 40.0 percent of original size [2021-03-26 15:15:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:15:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:15:53,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:15:53,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:53,828 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:15:53,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:15:53,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296037672] [2021-03-26 15:15:53,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347882329] [2021-03-26 15:15:53,835 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:53,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 15:15:53,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:53,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:15:53,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:53,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:53,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:53,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:53,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:53,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,898 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-26 15:15:53,899 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size [2021-03-26 15:15:53,901 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-26 15:15:53,901 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-26 15:15:53,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:53,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:53,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:15:53,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,914 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:15:53,914 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 15:15:53,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:53,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:53,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:15:53,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,927 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-26 15:15:53,927 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 15:15:53,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:53,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:53,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,942 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-26 15:15:53,942 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-26 15:15:53,943 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-26 15:15:53,943 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-26 15:15:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,955 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 15:15:53,955 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-26 15:15:53,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:53,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:15:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:53,977 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,977 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 25 treesize of output 53 [2021-03-26 15:15:53,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:53,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:15:53,989 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:53,990 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:53,990 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,991 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:53,991 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:53,992 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,992 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:53,992 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:53,993 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,994 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size 88 [2021-03-26 15:15:53,994 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:53,995 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:53,996 INFO L142 QuantifierPusher]: treesize reduction 68, result has 68.7 percent of original size [2021-03-26 15:15:53,996 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:53,997 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:53,999 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-26 15:15:53,999 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:54,000 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,001 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-26 15:15:54,002 INFO L147 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size 215 [2021-03-26 15:15:54,003 INFO L147 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size 215 [2021-03-26 15:15:54,005 INFO L142 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size [2021-03-26 15:15:54,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-26 15:15:54,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:54,137 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2021-03-26 15:15:54,138 INFO L628 ElimStorePlain]: treesize reduction 118, result has 45.1 percent of original size [2021-03-26 15:15:54,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:54,139 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:97 [2021-03-26 15:15:54,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:54,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 15:15:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:54,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:54,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-03-26 15:15:54,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365934985] [2021-03-26 15:15:54,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 15:15:54,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:54,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 15:15:54,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-03-26 15:15:54,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:54,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 787 transitions, 19333 flow. Second operand has 13 states, 13 states have (on average 19.153846153846153) internal successors, (249), 13 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:54,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:54,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:54,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:54,657 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:54,657 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:54,658 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:54,658 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:54,658 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:54,884 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][62], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:54,884 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:15:54,884 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:15:54,884 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:15:54,884 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:15:55,033 INFO L129 PetriNetUnfolder]: 1588/3150 cut-off events. [2021-03-26 15:15:55,034 INFO L130 PetriNetUnfolder]: For 24051/24235 co-relation queries the response was YES. [2021-03-26 15:15:55,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25519 conditions, 3150 events. 1588/3150 cut-off events. For 24051/24235 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 23935 event pairs, 0 based on Foata normal form. 42/3009 useless extension candidates. Maximal degree in co-relation 24865. Up to 1029 conditions per place. [2021-03-26 15:15:55,069 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 389 selfloop transitions, 526 changer transitions 0/927 dead transitions. [2021-03-26 15:15:55,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 927 transitions, 23827 flow [2021-03-26 15:15:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:15:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:15:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 356 transitions. [2021-03-26 15:15:55,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6544117647058824 [2021-03-26 15:15:55,079 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 356 transitions. [2021-03-26 15:15:55,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 356 transitions. [2021-03-26 15:15:55,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:55,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 356 transitions. [2021-03-26 15:15:55,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 22.25) internal successors, (356), 16 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:55,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:55,081 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:55,081 INFO L185 Difference]: Start difference. First operand has 194 places, 787 transitions, 19333 flow. Second operand 16 states and 356 transitions. [2021-03-26 15:15:55,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 927 transitions, 23827 flow [2021-03-26 15:15:55,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 927 transitions, 23660 flow, removed 60 selfloop flow, removed 7 redundant places. [2021-03-26 15:15:55,271 INFO L241 Difference]: Finished difference. Result has 205 places, 927 transitions, 23645 flow [2021-03-26 15:15:55,271 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=19166, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=414, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23645, PETRI_PLACES=205, PETRI_TRANSITIONS=927} [2021-03-26 15:15:55,271 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 178 predicate places. [2021-03-26 15:15:55,271 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:55,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 927 transitions, 23645 flow [2021-03-26 15:15:55,271 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 927 transitions, 23645 flow [2021-03-26 15:15:55,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 927 transitions, 23645 flow [2021-03-26 15:15:55,398 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][513], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:55,398 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:55,398 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:55,398 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:55,398 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:55,598 INFO L129 PetriNetUnfolder]: 1522/2969 cut-off events. [2021-03-26 15:15:55,598 INFO L130 PetriNetUnfolder]: For 25625/25754 co-relation queries the response was YES. [2021-03-26 15:15:55,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25190 conditions, 2969 events. 1522/2969 cut-off events. For 25625/25754 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 22310 event pairs, 0 based on Foata normal form. 2/2833 useless extension candidates. Maximal degree in co-relation 24583. Up to 569 conditions per place. [2021-03-26 15:15:55,702 INFO L142 LiptonReduction]: Number of co-enabled transitions 9360 [2021-03-26 15:15:55,809 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:55,809 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:55,809 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 538 [2021-03-26 15:15:55,809 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 927 transitions, 23645 flow [2021-03-26 15:15:55,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.153846153846153) internal successors, (249), 13 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:55,810 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:55,810 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:56,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-03-26 15:15:56,010 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:56,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:56,010 INFO L82 PathProgramCache]: Analyzing trace with hash 434122472, now seen corresponding path program 8 times [2021-03-26 15:15:56,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:56,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474891056] [2021-03-26 15:15:56,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:56,031 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:15:56,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:56,046 INFO L142 QuantifierPusher]: treesize reduction 35, result has 47.8 percent of original size [2021-03-26 15:15:56,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:15:56,057 INFO L142 QuantifierPusher]: treesize reduction 55, result has 38.9 percent of original size [2021-03-26 15:15:56,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:15:56,077 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-26 15:15:56,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 15:15:56,090 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-26 15:15:56,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:56,105 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 15:15:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:56,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474891056] [2021-03-26 15:15:56,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806487006] [2021-03-26 15:15:56,123 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 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 [2021-03-26 15:15:56,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 15:15:56,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:56,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:15:56,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:56,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:56,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:56,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:56,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,182 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-26 15:15:56,183 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-26 15:15:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:15:56,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,195 INFO L147 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size 21 [2021-03-26 15:15:56,196 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-26 15:15:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:56,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:15:56,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:56,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:56,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:56,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,236 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-26 15:15:56,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-26 15:15:56,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:56,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:56,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:56,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,255 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 15:15:56,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-26 15:15:56,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:56,256 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:15:56,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:56,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:56,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:56,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:15:56,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:56,281 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,281 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 25 treesize of output 53 [2021-03-26 15:15:56,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:56,283 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:15:56,284 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:56,284 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:56,285 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,286 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:56,286 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:56,286 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,287 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:56,287 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:56,287 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,289 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.3 percent of original size 88 [2021-03-26 15:15:56,289 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:56,289 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:56,291 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.6 percent of original size [2021-03-26 15:15:56,291 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:56,291 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:56,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,294 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-26 15:15:56,294 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:56,295 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:56,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,298 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-26 15:15:56,299 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-26 15:15:56,300 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-26 15:15:56,302 INFO L142 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size [2021-03-26 15:15:56,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-26 15:15:56,303 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:15:56,445 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-03-26 15:15:56,445 INFO L628 ElimStorePlain]: treesize reduction 131, result has 39.1 percent of original size [2021-03-26 15:15:56,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,446 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:56,447 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:84 [2021-03-26 15:15:56,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:56,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:15:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:56,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:56,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 15:15:56,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772266645] [2021-03-26 15:15:56,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:15:56,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:56,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:15:56,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:15:56,517 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:56,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 927 transitions, 23645 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:56,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:56,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:56,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:57,214 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][76], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:57,214 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:57,214 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:57,214 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:57,214 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:57,735 INFO L129 PetriNetUnfolder]: 1659/3307 cut-off events. [2021-03-26 15:15:57,735 INFO L130 PetriNetUnfolder]: For 27204/27308 co-relation queries the response was YES. [2021-03-26 15:15:57,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28680 conditions, 3307 events. 1659/3307 cut-off events. For 27204/27308 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 25517 event pairs, 0 based on Foata normal form. 16/3154 useless extension candidates. Maximal degree in co-relation 28016. Up to 1789 conditions per place. [2021-03-26 15:15:57,783 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 784 selfloop transitions, 179 changer transitions 0/975 dead transitions. [2021-03-26 15:15:57,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 975 transitions, 26813 flow [2021-03-26 15:15:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:15:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:15:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 370 transitions. [2021-03-26 15:15:57,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6401384083044983 [2021-03-26 15:15:57,785 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 370 transitions. [2021-03-26 15:15:57,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 370 transitions. [2021-03-26 15:15:57,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:57,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 370 transitions. [2021-03-26 15:15:57,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.764705882352942) internal successors, (370), 17 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:57,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:57,787 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:57,787 INFO L185 Difference]: Start difference. First operand has 205 places, 927 transitions, 23645 flow. Second operand 17 states and 370 transitions. [2021-03-26 15:15:57,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 975 transitions, 26813 flow [2021-03-26 15:15:58,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 975 transitions, 26615 flow, removed 72 selfloop flow, removed 7 redundant places. [2021-03-26 15:15:58,073 INFO L241 Difference]: Finished difference. Result has 217 places, 975 transitions, 25247 flow [2021-03-26 15:15:58,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=23471, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=927, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=756, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=25247, PETRI_PLACES=217, PETRI_TRANSITIONS=975} [2021-03-26 15:15:58,074 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 190 predicate places. [2021-03-26 15:15:58,074 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:58,075 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 975 transitions, 25247 flow [2021-03-26 15:15:58,075 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 975 transitions, 25247 flow [2021-03-26 15:15:58,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 975 transitions, 25247 flow [2021-03-26 15:15:58,209 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][518], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:15:58,209 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:15:58,209 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:58,209 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:15:58,209 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:15:58,443 INFO L129 PetriNetUnfolder]: 1620/3143 cut-off events. [2021-03-26 15:15:58,444 INFO L130 PetriNetUnfolder]: For 26881/26918 co-relation queries the response was YES. [2021-03-26 15:15:58,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26904 conditions, 3143 events. 1620/3143 cut-off events. For 26881/26918 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 24025 event pairs, 0 based on Foata normal form. 0/3002 useless extension candidates. Maximal degree in co-relation 26294. Up to 601 conditions per place. [2021-03-26 15:15:58,553 INFO L142 LiptonReduction]: Number of co-enabled transitions 9864 [2021-03-26 15:15:58,672 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:58,672 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:58,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 598 [2021-03-26 15:15:58,672 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 975 transitions, 25247 flow [2021-03-26 15:15:58,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:58,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:58,673 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:58,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:58,873 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:15:58,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:58,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1195143958, now seen corresponding path program 9 times [2021-03-26 15:15:58,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:58,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680637403] [2021-03-26 15:15:58,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:58,902 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:15:58,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:58,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:58,917 INFO L142 QuantifierPusher]: treesize reduction 35, result has 47.8 percent of original size [2021-03-26 15:15:58,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:15:58,929 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-03-26 15:15:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 15:15:58,940 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-26 15:15:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 15:15:58,955 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-26 15:15:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:58,969 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 15:15:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:15:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:58,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680637403] [2021-03-26 15:15:58,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151999448] [2021-03-26 15:15:58,988 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:15:59,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 15:15:59,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:15:59,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:15:59,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:15:59,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:59,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:59,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:59,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,043 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:15:59,043 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 15:15:59,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:15:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,057 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-03-26 15:15:59,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 15:15:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:59,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:15:59,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:15:59,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:59,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:59,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:15:59,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,085 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-26 15:15:59,086 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 15:15:59,086 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-26 15:15:59,086 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-26 15:15:59,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:15:59,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:15:59,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:15:59,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,104 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 15:15:59,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:15:59,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:15:59,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:15:59,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:15:59,167 INFO L354 Elim1Store]: treesize reduction 20, result has 79.4 percent of original size [2021-03-26 15:15:59,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 29 treesize of output 89 [2021-03-26 15:15:59,170 INFO L142 QuantifierPusher]: treesize reduction 8, result has 91.1 percent of original size [2021-03-26 15:15:59,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,172 INFO L142 QuantifierPusher]: treesize reduction 19, result has 80.0 percent of original size [2021-03-26 15:15:59,173 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2021-03-26 15:15:59,173 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-26 15:15:59,184 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,184 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-03-26 15:15:59,184 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:15:59,185 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,185 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:59,186 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:59,186 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,186 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:59,187 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,187 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,187 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:59,188 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,188 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,190 INFO L147 QuantifierPusher]: treesize reduction 72, result has 73.6 percent of original size 201 [2021-03-26 15:15:59,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,191 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,194 INFO L142 QuantifierPusher]: treesize reduction 177, result has 70.3 percent of original size [2021-03-26 15:15:59,194 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,195 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,197 INFO L142 QuantifierPusher]: treesize reduction 139, result has 65.4 percent of original size [2021-03-26 15:15:59,197 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,198 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,198 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-26 15:15:59,199 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.8 percent of original size 22 [2021-03-26 15:15:59,199 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,200 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,200 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-26 15:15:59,201 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-26 15:15:59,201 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,202 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,202 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-03-26 15:15:59,203 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,203 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,204 INFO L142 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-03-26 15:15:59,204 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size 26 [2021-03-26 15:15:59,205 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.6 percent of original size 58 [2021-03-26 15:15:59,207 INFO L147 QuantifierPusher]: treesize reduction 25, result has 91.7 percent of original size 278 [2021-03-26 15:15:59,207 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,208 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,209 INFO L142 QuantifierPusher]: treesize reduction 5, result has 97.8 percent of original size [2021-03-26 15:15:59,209 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:15:59,210 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,211 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:59,212 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,213 INFO L142 QuantifierPusher]: treesize reduction 29, result has 77.2 percent of original size [2021-03-26 15:15:59,213 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,214 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,214 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-03-26 15:15:59,215 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-26 15:15:59,216 INFO L147 QuantifierPusher]: treesize reduction 6, result has 94.1 percent of original size 95 [2021-03-26 15:15:59,216 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:15:59,216 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:59,217 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,217 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,218 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,219 INFO L142 QuantifierPusher]: treesize reduction 29, result has 64.2 percent of original size [2021-03-26 15:15:59,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 15:15:59,220 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:15:59,220 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,220 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,221 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:15:59,221 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,221 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,223 INFO L147 QuantifierPusher]: treesize reduction 50, result has 72.5 percent of original size 132 [2021-03-26 15:15:59,223 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,224 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,226 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,226 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,227 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 1] term [2021-03-26 15:15:59,228 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,228 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,229 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:15:59,229 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,230 INFO L142 QuantifierPusher]: treesize reduction 8, result has 90.0 percent of original size [2021-03-26 15:15:59,231 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,231 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:15:59,233 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,234 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,234 INFO L142 QuantifierPusher]: treesize reduction 13, result has 83.5 percent of original size [2021-03-26 15:15:59,235 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.5 percent of original size 68 [2021-03-26 15:15:59,236 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.2 percent of original size 87 [2021-03-26 15:15:59,237 INFO L147 QuantifierPusher]: treesize reduction 12, result has 89.5 percent of original size 102 [2021-03-26 15:15:59,237 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:15:59,238 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,239 INFO L142 QuantifierPusher]: treesize reduction 12, result has 91.1 percent of original size [2021-03-26 15:15:59,239 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,240 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,241 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,241 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,243 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-03-26 15:15:59,244 INFO L147 QuantifierPusher]: treesize reduction 11, result has 82.8 percent of original size 53 [2021-03-26 15:15:59,244 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:15:59,245 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,246 INFO L142 QuantifierPusher]: treesize reduction 13, result has 86.6 percent of original size [2021-03-26 15:15:59,246 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:15:59,247 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:15:59,247 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-03-26 15:15:59,248 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-26 15:15:59,249 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-03-26 15:15:59,250 INFO L147 QuantifierPusher]: treesize reduction 23, result has 86.1 percent of original size 143 [2021-03-26 15:15:59,251 INFO L147 QuantifierPusher]: treesize reduction 35, result has 87.7 percent of original size 250 [2021-03-26 15:15:59,253 INFO L147 QuantifierPusher]: treesize reduction 85, result has 82.5 percent of original size 401 [2021-03-26 15:15:59,256 INFO L147 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size 684 [2021-03-26 15:15:59,260 INFO L147 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size 684 [2021-03-26 15:15:59,264 INFO L142 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size [2021-03-26 15:15:59,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 684 [2021-03-26 15:15:59,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-26 15:15:59,379 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 8 [2021-03-26 15:15:59,380 INFO L628 ElimStorePlain]: treesize reduction 676, result has 1.2 percent of original size [2021-03-26 15:15:59,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:15:59,380 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:8 [2021-03-26 15:15:59,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:59,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:15:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:59,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:15:59,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 15:15:59,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401304364] [2021-03-26 15:15:59,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:15:59,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:59,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:15:59,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:15:59,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:15:59,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 975 transitions, 25247 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:59,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:59,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:15:59,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:00,069 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:00,070 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:00,070 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:00,070 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:00,070 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:00,146 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), 18#L36true, Black: 348#(<= i2 i1), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 1056#(<= (+ i2 2) i1), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:00,147 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:00,147 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:00,147 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:00,147 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:00,516 INFO L129 PetriNetUnfolder]: 1681/3353 cut-off events. [2021-03-26 15:16:00,516 INFO L130 PetriNetUnfolder]: For 28558/28690 co-relation queries the response was YES. [2021-03-26 15:16:00,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29390 conditions, 3353 events. 1681/3353 cut-off events. For 28558/28690 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 25856 event pairs, 0 based on Foata normal form. 26/3212 useless extension candidates. Maximal degree in co-relation 28723. Up to 1889 conditions per place. [2021-03-26 15:16:00,558 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 856 selfloop transitions, 127 changer transitions 0/995 dead transitions. [2021-03-26 15:16:00,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 995 transitions, 27511 flow [2021-03-26 15:16:00,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:16:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:16:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 370 transitions. [2021-03-26 15:16:00,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6401384083044983 [2021-03-26 15:16:00,559 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 370 transitions. [2021-03-26 15:16:00,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 370 transitions. [2021-03-26 15:16:00,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:00,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 370 transitions. [2021-03-26 15:16:00,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.764705882352942) internal successors, (370), 17 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:00,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:00,561 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:00,561 INFO L185 Difference]: Start difference. First operand has 217 places, 975 transitions, 25247 flow. Second operand 17 states and 370 transitions. [2021-03-26 15:16:00,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 995 transitions, 27511 flow [2021-03-26 15:16:00,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 995 transitions, 27412 flow, removed 29 selfloop flow, removed 6 redundant places. [2021-03-26 15:16:00,930 INFO L241 Difference]: Finished difference. Result has 229 places, 995 transitions, 25762 flow [2021-03-26 15:16:00,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=25148, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=25762, PETRI_PLACES=229, PETRI_TRANSITIONS=995} [2021-03-26 15:16:00,932 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 202 predicate places. [2021-03-26 15:16:00,932 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:00,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 995 transitions, 25762 flow [2021-03-26 15:16:00,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 995 transitions, 25762 flow [2021-03-26 15:16:00,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 229 places, 995 transitions, 25762 flow [2021-03-26 15:16:01,074 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][513], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:01,074 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:01,074 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:01,074 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:01,074 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:01,308 INFO L129 PetriNetUnfolder]: 1622/3179 cut-off events. [2021-03-26 15:16:01,308 INFO L130 PetriNetUnfolder]: For 27937/27984 co-relation queries the response was YES. [2021-03-26 15:16:01,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27420 conditions, 3179 events. 1622/3179 cut-off events. For 27937/27984 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 24451 event pairs, 0 based on Foata normal form. 1/3040 useless extension candidates. Maximal degree in co-relation 26806. Up to 609 conditions per place. [2021-03-26 15:16:01,365 INFO L142 LiptonReduction]: Number of co-enabled transitions 10074 [2021-03-26 15:16:01,503 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:01,503 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:01,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 571 [2021-03-26 15:16:01,504 INFO L480 AbstractCegarLoop]: Abstraction has has 229 places, 995 transitions, 25762 flow [2021-03-26 15:16:01,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:01,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:01,504 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:01,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-26 15:16:01,704 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:01,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:01,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1616481878, now seen corresponding path program 1 times [2021-03-26 15:16:01,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:01,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653471600] [2021-03-26 15:16:01,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:01,724 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:16:01,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:01,740 INFO L142 QuantifierPusher]: treesize reduction 39, result has 51.9 percent of original size [2021-03-26 15:16:01,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 15:16:01,769 INFO L142 QuantifierPusher]: treesize reduction 54, result has 39.3 percent of original size [2021-03-26 15:16:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:16:01,795 INFO L142 QuantifierPusher]: treesize reduction 71, result has 43.7 percent of original size [2021-03-26 15:16:01,796 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-03-26 15:16:01,840 INFO L142 QuantifierPusher]: treesize reduction 45, result has 36.6 percent of original size [2021-03-26 15:16:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:01,857 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 15:16:01,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:01,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653471600] [2021-03-26 15:16:01,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348411415] [2021-03-26 15:16:01,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:01,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:16:01,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:01,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:01,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:01,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,927 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-26 15:16:01,927 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 15:16:01,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:01,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:01,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:01,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,950 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-26 15:16:01,950 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-26 15:16:01,951 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:16:01,951 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 15:16:01,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:01,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:01,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,967 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 15:16:01,967 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 15:16:01,967 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-26 15:16:01,968 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:16:01,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:01,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:01,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,981 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 15:16:01,982 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-26 15:16:01,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:01,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:01,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:01,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:01,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:02,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:02,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:16:02,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:02,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:02,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:02,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:02,026 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,026 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 25 treesize of output 53 [2021-03-26 15:16:02,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:02,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:16:02,028 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:02,028 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:02,029 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,035 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:02,036 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:02,036 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,037 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:02,037 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:02,037 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,039 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.3 percent of original size 88 [2021-03-26 15:16:02,039 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:02,040 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:02,041 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.6 percent of original size [2021-03-26 15:16:02,041 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:02,042 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:02,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,043 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-26 15:16:02,044 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:02,044 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:02,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,045 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-26 15:16:02,047 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-26 15:16:02,048 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-26 15:16:02,049 INFO L142 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size [2021-03-26 15:16:02,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-26 15:16:02,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:16:02,192 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-03-26 15:16:02,192 INFO L628 ElimStorePlain]: treesize reduction 131, result has 39.1 percent of original size [2021-03-26 15:16:02,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:16:02,193 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:84 [2021-03-26 15:16:02,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:02,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-26 15:16:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:02,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:02,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-26 15:16:02,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327138189] [2021-03-26 15:16:02,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:16:02,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:02,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:16:02,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:16:02,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:16:02,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 995 transitions, 25762 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:02,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:02,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:16:02,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:02,714 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2021-03-26 15:16:02,921 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:02,921 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:02,921 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:02,921 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:02,921 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:03,369 INFO L129 PetriNetUnfolder]: 1796/3585 cut-off events. [2021-03-26 15:16:03,369 INFO L130 PetriNetUnfolder]: For 30294/30478 co-relation queries the response was YES. [2021-03-26 15:16:03,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31602 conditions, 3585 events. 1796/3585 cut-off events. For 30294/30478 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 28001 event pairs, 0 based on Foata normal form. 41/3446 useless extension candidates. Maximal degree in co-relation 30931. Up to 1937 conditions per place. [2021-03-26 15:16:03,480 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 840 selfloop transitions, 207 changer transitions 0/1059 dead transitions. [2021-03-26 15:16:03,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 1059 transitions, 29596 flow [2021-03-26 15:16:03,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:16:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:16:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 349 transitions. [2021-03-26 15:16:03,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6415441176470589 [2021-03-26 15:16:03,481 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 349 transitions. [2021-03-26 15:16:03,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 349 transitions. [2021-03-26 15:16:03,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:03,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 349 transitions. [2021-03-26 15:16:03,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.8125) internal successors, (349), 16 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:03,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:03,483 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:03,483 INFO L185 Difference]: Start difference. First operand has 229 places, 995 transitions, 25762 flow. Second operand 16 states and 349 transitions. [2021-03-26 15:16:03,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 1059 transitions, 29596 flow [2021-03-26 15:16:03,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 1059 transitions, 29505 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-03-26 15:16:03,868 INFO L241 Difference]: Finished difference. Result has 238 places, 1059 transitions, 28023 flow [2021-03-26 15:16:03,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=25671, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=808, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28023, PETRI_PLACES=238, PETRI_TRANSITIONS=1059} [2021-03-26 15:16:03,869 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 211 predicate places. [2021-03-26 15:16:03,869 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:03,869 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 1059 transitions, 28023 flow [2021-03-26 15:16:03,869 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 1059 transitions, 28023 flow [2021-03-26 15:16:03,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 1059 transitions, 28023 flow [2021-03-26 15:16:04,046 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][547], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:04,046 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:04,046 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:04,046 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:04,046 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:04,346 INFO L129 PetriNetUnfolder]: 1751/3410 cut-off events. [2021-03-26 15:16:04,346 INFO L130 PetriNetUnfolder]: For 29876/29913 co-relation queries the response was YES. [2021-03-26 15:16:04,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29840 conditions, 3410 events. 1751/3410 cut-off events. For 29876/29913 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 26528 event pairs, 0 based on Foata normal form. 0/3261 useless extension candidates. Maximal degree in co-relation 29305. Up to 665 conditions per place. [2021-03-26 15:16:04,408 INFO L142 LiptonReduction]: Number of co-enabled transitions 10746 [2021-03-26 15:16:04,573 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:04,573 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:04,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 704 [2021-03-26 15:16:04,574 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 1059 transitions, 28023 flow [2021-03-26 15:16:04,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:04,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:04,574 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:04,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-03-26 15:16:04,780 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:04,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:04,780 INFO L82 PathProgramCache]: Analyzing trace with hash -789344370, now seen corresponding path program 10 times [2021-03-26 15:16:04,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:04,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885332201] [2021-03-26 15:16:04,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:04,798 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-26 15:16:04,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:04,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:04,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:16:04,839 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-26 15:16:04,839 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-26 15:16:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:04,870 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:16:04,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:16:04,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885332201] [2021-03-26 15:16:04,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895658006] [2021-03-26 15:16:04,877 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:04,919 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 15:16:04,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:04,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-26 15:16:04,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:04,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:04,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:04,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:04,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:04,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:04,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,945 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-26 15:16:04,946 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 15:16:04,946 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-26 15:16:04,946 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-26 15:16:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:04,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:04,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:04,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:04,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,975 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 15:16:04,975 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 15:16:04,975 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-26 15:16:04,976 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-26 15:16:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:04,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:04,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,990 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 15:16:04,990 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-26 15:16:04,991 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-03-26 15:16:04,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 15:16:04,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:04,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:04,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:05,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:05,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:05,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:05,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:05,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,010 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 15:16:05,010 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-26 15:16:05,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:05,012 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:16:05,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:05,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:05,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:05,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:05,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:05,037 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,038 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 25 treesize of output 53 [2021-03-26 15:16:05,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:05,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-26 15:16:05,040 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:05,040 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:05,110 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,111 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:05,111 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:05,111 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,112 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:05,112 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:05,112 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,114 INFO L147 QuantifierPusher]: treesize reduction 13, result has 87.1 percent of original size 88 [2021-03-26 15:16:05,114 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:05,115 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:05,117 INFO L142 QuantifierPusher]: treesize reduction 64, result has 70.8 percent of original size [2021-03-26 15:16:05,117 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:05,117 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:05,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 15:16:05,119 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:05,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,121 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 44 [2021-03-26 15:16:05,123 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size 203 [2021-03-26 15:16:05,124 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size 203 [2021-03-26 15:16:05,126 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size [2021-03-26 15:16:05,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-03-26 15:16:05,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:16:05,295 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2021-03-26 15:16:05,296 INFO L628 ElimStorePlain]: treesize reduction 114, result has 43.8 percent of original size [2021-03-26 15:16:05,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:16:05,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:89 [2021-03-26 15:16:05,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:05,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 15:16:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:05,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:05,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-03-26 15:16:05,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520868489] [2021-03-26 15:16:05,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 15:16:05,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:05,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 15:16:05,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-26 15:16:05,400 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:16:05,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 1059 transitions, 28023 flow. Second operand has 14 states, 14 states have (on average 19.071428571428573) internal successors, (267), 14 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:05,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:05,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:16:05,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:06,172 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:06,172 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:06,172 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:06,172 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:06,172 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:06,317 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), 18#L36true, Black: 348#(<= i2 i1), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 1056#(<= (+ i2 2) i1), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:06,317 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:06,317 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:06,317 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:06,317 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:06,755 INFO L129 PetriNetUnfolder]: 1929/3861 cut-off events. [2021-03-26 15:16:06,756 INFO L130 PetriNetUnfolder]: For 33977/34109 co-relation queries the response was YES. [2021-03-26 15:16:06,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34658 conditions, 3861 events. 1929/3861 cut-off events. For 33977/34109 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 30648 event pairs, 0 based on Foata normal form. 30/3711 useless extension candidates. Maximal degree in co-relation 33983. Up to 1281 conditions per place. [2021-03-26 15:16:06,812 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 482 selfloop transitions, 657 changer transitions 0/1151 dead transitions. [2021-03-26 15:16:06,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 1151 transitions, 32425 flow [2021-03-26 15:16:06,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 15:16:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 15:16:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 417 transitions. [2021-03-26 15:16:06,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6455108359133127 [2021-03-26 15:16:06,813 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 417 transitions. [2021-03-26 15:16:06,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 417 transitions. [2021-03-26 15:16:06,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:06,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 417 transitions. [2021-03-26 15:16:06,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 21.94736842105263) internal successors, (417), 19 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:06,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 34.0) internal successors, (680), 20 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:06,815 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 34.0) internal successors, (680), 20 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:06,815 INFO L185 Difference]: Start difference. First operand has 238 places, 1059 transitions, 28023 flow. Second operand 19 states and 417 transitions. [2021-03-26 15:16:06,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 1151 transitions, 32425 flow [2021-03-26 15:16:07,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 1151 transitions, 32230 flow, removed 44 selfloop flow, removed 8 redundant places. [2021-03-26 15:16:07,224 INFO L241 Difference]: Finished difference. Result has 251 places, 1151 transitions, 32174 flow [2021-03-26 15:16:07,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=27753, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=570, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=32174, PETRI_PLACES=251, PETRI_TRANSITIONS=1151} [2021-03-26 15:16:07,225 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 224 predicate places. [2021-03-26 15:16:07,225 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:07,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 1151 transitions, 32174 flow [2021-03-26 15:16:07,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 1151 transitions, 32174 flow [2021-03-26 15:16:07,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 1151 transitions, 32174 flow [2021-03-26 15:16:07,391 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][570], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:07,391 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:07,391 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:07,391 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:07,391 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:07,650 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][321], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 348#(<= i2 i1), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 1056#(<= (+ i2 2) i1), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:07,650 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:16:07,650 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:16:07,650 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:07,650 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:07,728 INFO L129 PetriNetUnfolder]: 1918/3722 cut-off events. [2021-03-26 15:16:07,729 INFO L130 PetriNetUnfolder]: For 35293/35372 co-relation queries the response was YES. [2021-03-26 15:16:07,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34313 conditions, 3722 events. 1918/3722 cut-off events. For 35293/35372 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 29278 event pairs, 0 based on Foata normal form. 1/3561 useless extension candidates. Maximal degree in co-relation 33686. Up to 737 conditions per place. [2021-03-26 15:16:07,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 11730 [2021-03-26 15:16:07,973 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:07,973 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:07,973 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 748 [2021-03-26 15:16:07,973 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 1151 transitions, 32174 flow [2021-03-26 15:16:07,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 19.071428571428573) internal successors, (267), 14 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:07,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:07,974 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:08,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:08,174 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:08,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:08,174 INFO L82 PathProgramCache]: Analyzing trace with hash 859896467, now seen corresponding path program 11 times [2021-03-26 15:16:08,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:08,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282080794] [2021-03-26 15:16:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:08,184 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:16:08,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:08,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:16:08,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:16:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:08,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282080794] [2021-03-26 15:16:08,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815600082] [2021-03-26 15:16:08,213 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:08,252 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-26 15:16:08,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:08,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-26 15:16:08,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:08,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:08,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:08,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:08,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:08,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:08,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:08,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:08,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:08,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:08,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:08,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:08,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:08,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:08,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:08,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:08,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:08,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:08,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:08,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 15:16:08,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799104219] [2021-03-26 15:16:08,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:16:08,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:08,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:16:08,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:16:08,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-26 15:16:08,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 1151 transitions, 32174 flow. Second operand has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:08,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:08,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-26 15:16:08,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:08,613 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:08,613 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:08,613 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:08,614 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:08,614 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:09,236 INFO L129 PetriNetUnfolder]: 2100/4172 cut-off events. [2021-03-26 15:16:09,236 INFO L130 PetriNetUnfolder]: For 42017/42147 co-relation queries the response was YES. [2021-03-26 15:16:09,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39119 conditions, 4172 events. 2100/4172 cut-off events. For 42017/42147 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 33362 event pairs, 0 based on Foata normal form. 25/3998 useless extension candidates. Maximal degree in co-relation 38273. Up to 745 conditions per place. [2021-03-26 15:16:09,375 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 226 selfloop transitions, 1018 changer transitions 0/1256 dead transitions. [2021-03-26 15:16:09,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 1256 transitions, 36910 flow [2021-03-26 15:16:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:16:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:16:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 243 transitions. [2021-03-26 15:16:09,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7147058823529412 [2021-03-26 15:16:09,376 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 243 transitions. [2021-03-26 15:16:09,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 243 transitions. [2021-03-26 15:16:09,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:09,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 243 transitions. [2021-03-26 15:16:09,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 24.3) internal successors, (243), 10 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:09,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:09,377 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:09,377 INFO L185 Difference]: Start difference. First operand has 251 places, 1151 transitions, 32174 flow. Second operand 10 states and 243 transitions. [2021-03-26 15:16:09,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 1256 transitions, 36910 flow [2021-03-26 15:16:09,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 1256 transitions, 36727 flow, removed 62 selfloop flow, removed 9 redundant places. [2021-03-26 15:16:09,815 INFO L241 Difference]: Finished difference. Result has 256 places, 1256 transitions, 38102 flow [2021-03-26 15:16:09,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=31991, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=920, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=38102, PETRI_PLACES=256, PETRI_TRANSITIONS=1256} [2021-03-26 15:16:09,816 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 229 predicate places. [2021-03-26 15:16:09,816 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:09,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 1256 transitions, 38102 flow [2021-03-26 15:16:09,817 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 1256 transitions, 38102 flow [2021-03-26 15:16:09,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 1256 transitions, 38102 flow [2021-03-26 15:16:09,983 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][533], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:09,983 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:09,983 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:09,983 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:09,983 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:10,272 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][365], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 348#(<= i2 i1), 2066#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 1056#(<= (+ i2 2) i1), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:10,272 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:16:10,272 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:10,272 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:16:10,272 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:10,422 INFO L129 PetriNetUnfolder]: 2082/4040 cut-off events. [2021-03-26 15:16:10,422 INFO L130 PetriNetUnfolder]: For 47529/47611 co-relation queries the response was YES. [2021-03-26 15:16:10,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40237 conditions, 4040 events. 2082/4040 cut-off events. For 47529/47611 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 32249 event pairs, 0 based on Foata normal form. 2/3861 useless extension candidates. Maximal degree in co-relation 39341. Up to 793 conditions per place. [2021-03-26 15:16:10,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 12726 [2021-03-26 15:16:10,742 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:10,742 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:10,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 926 [2021-03-26 15:16:10,742 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 1256 transitions, 38102 flow [2021-03-26 15:16:10,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:10,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:10,742 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:10,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-03-26 15:16:10,952 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:10,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:10,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1509931455, now seen corresponding path program 12 times [2021-03-26 15:16:10,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:10,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964119583] [2021-03-26 15:16:10,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:10,968 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 15:16:10,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:10,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:10,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:10,977 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:16:10,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:10,984 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:16:10,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:10,992 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-03-26 15:16:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:11,000 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-26 15:16:11,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,009 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-26 15:16:11,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:16:11,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:16:11,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:11,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964119583] [2021-03-26 15:16:11,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846077572] [2021-03-26 15:16:11,021 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 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 [2021-03-26 15:16:11,055 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-26 15:16:11,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:11,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-26 15:16:11,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:11,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:11,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:11,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:11,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:11,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:11,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:11,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:11,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:11,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:11,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:11,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:11,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:11,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:11,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:16:11,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:11,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2021-03-26 15:16:11,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387569892] [2021-03-26 15:16:11,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 15:16:11,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:11,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 15:16:11,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-03-26 15:16:11,133 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-26 15:16:11,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 1256 transitions, 38102 flow. Second operand has 14 states, 14 states have (on average 21.285714285714285) internal successors, (298), 14 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:11,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:11,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-26 15:16:11,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:11,468 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:11,468 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:11,468 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:11,468 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:11,468 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:12,112 INFO L129 PetriNetUnfolder]: 2128/4240 cut-off events. [2021-03-26 15:16:12,112 INFO L130 PetriNetUnfolder]: For 50392/50530 co-relation queries the response was YES. [2021-03-26 15:16:12,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43211 conditions, 4240 events. 2128/4240 cut-off events. For 50392/50530 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 34111 event pairs, 0 based on Foata normal form. 38/4077 useless extension candidates. Maximal degree in co-relation 42246. Up to 801 conditions per place. [2021-03-26 15:16:12,179 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 342 selfloop transitions, 918 changer transitions 0/1272 dead transitions. [2021-03-26 15:16:12,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 1272 transitions, 40752 flow [2021-03-26 15:16:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:16:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:16:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 214 transitions. [2021-03-26 15:16:12,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6993464052287581 [2021-03-26 15:16:12,181 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 214 transitions. [2021-03-26 15:16:12,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 214 transitions. [2021-03-26 15:16:12,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:12,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 214 transitions. [2021-03-26 15:16:12,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 23.77777777777778) internal successors, (214), 9 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:12,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:12,181 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:12,181 INFO L185 Difference]: Start difference. First operand has 256 places, 1256 transitions, 38102 flow. Second operand 9 states and 214 transitions. [2021-03-26 15:16:12,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 1272 transitions, 40752 flow [2021-03-26 15:16:12,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 1272 transitions, 40467 flow, removed 112 selfloop flow, removed 4 redundant places. [2021-03-26 15:16:12,764 INFO L241 Difference]: Finished difference. Result has 265 places, 1270 transitions, 41544 flow [2021-03-26 15:16:12,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=37464, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=895, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41544, PETRI_PLACES=265, PETRI_TRANSITIONS=1270} [2021-03-26 15:16:12,765 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 238 predicate places. [2021-03-26 15:16:12,765 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:12,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 1270 transitions, 41544 flow [2021-03-26 15:16:12,765 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 1270 transitions, 41544 flow [2021-03-26 15:16:12,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 1270 transitions, 41544 flow [2021-03-26 15:16:12,927 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][580], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2159#(<= i1 i2), 949#true, 54#(<= i2 i1), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:12,928 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:16:12,928 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:16:12,928 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:12,928 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:13,430 INFO L129 PetriNetUnfolder]: 2113/4104 cut-off events. [2021-03-26 15:16:13,430 INFO L130 PetriNetUnfolder]: For 51949/52017 co-relation queries the response was YES. [2021-03-26 15:16:13,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43882 conditions, 4104 events. 2113/4104 cut-off events. For 51949/52017 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 32895 event pairs, 0 based on Foata normal form. 0/3924 useless extension candidates. Maximal degree in co-relation 43008. Up to 801 conditions per place. [2021-03-26 15:16:13,515 INFO L142 LiptonReduction]: Number of co-enabled transitions 12930 [2021-03-26 15:16:13,727 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:13,727 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:13,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 962 [2021-03-26 15:16:13,728 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 1270 transitions, 41544 flow [2021-03-26 15:16:13,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 21.285714285714285) internal successors, (298), 14 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:13,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:13,728 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:13,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable159 [2021-03-26 15:16:13,932 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:13,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:13,932 INFO L82 PathProgramCache]: Analyzing trace with hash -741029581, now seen corresponding path program 13 times [2021-03-26 15:16:13,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:13,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840298320] [2021-03-26 15:16:13,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:13,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:13,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:13,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:13,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:13,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:13,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:13,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:13,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:13,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:13,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:13,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:13,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:13,967 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-26 15:16:13,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:16:13,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:16:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:13,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840298320] [2021-03-26 15:16:13,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682733112] [2021-03-26 15:16:13,982 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 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 [2021-03-26 15:16:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:14,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-26 15:16:14,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:14,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:14,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:14,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:14,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:14,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:14,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:14,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:14,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:14,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:14,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:16:14,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:14,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2021-03-26 15:16:14,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533297206] [2021-03-26 15:16:14,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:16:14,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:14,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:16:14,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:16:14,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:16:14,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 1270 transitions, 41544 flow. Second operand has 12 states, 12 states have (on average 23.333333333333332) internal successors, (280), 12 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:14,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:14,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:16:14,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:14,470 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2159#(<= i1 i2), 949#true, 54#(<= i2 i1), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:14,470 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:14,470 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:14,470 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:14,470 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:15,403 INFO L129 PetriNetUnfolder]: 2318/4618 cut-off events. [2021-03-26 15:16:15,404 INFO L130 PetriNetUnfolder]: For 57990/58133 co-relation queries the response was YES. [2021-03-26 15:16:15,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49801 conditions, 4618 events. 2318/4618 cut-off events. For 57990/58133 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 37570 event pairs, 0 based on Foata normal form. 16/4417 useless extension candidates. Maximal degree in co-relation 48766. Up to 1747 conditions per place. [2021-03-26 15:16:15,491 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 822 selfloop transitions, 553 changer transitions 0/1387 dead transitions. [2021-03-26 15:16:15,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 1387 transitions, 47020 flow [2021-03-26 15:16:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:16:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:16:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 231 transitions. [2021-03-26 15:16:15,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2021-03-26 15:16:15,492 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 231 transitions. [2021-03-26 15:16:15,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 231 transitions. [2021-03-26 15:16:15,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:15,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 231 transitions. [2021-03-26 15:16:15,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 25.666666666666668) internal successors, (231), 9 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:15,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:15,494 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:15,494 INFO L185 Difference]: Start difference. First operand has 265 places, 1270 transitions, 41544 flow. Second operand 9 states and 231 transitions. [2021-03-26 15:16:15,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 1387 transitions, 47020 flow [2021-03-26 15:16:16,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 1387 transitions, 45733 flow, removed 114 selfloop flow, removed 5 redundant places. [2021-03-26 15:16:16,282 INFO L241 Difference]: Finished difference. Result has 273 places, 1385 transitions, 45118 flow [2021-03-26 15:16:16,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=40277, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=438, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=806, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=45118, PETRI_PLACES=273, PETRI_TRANSITIONS=1385} [2021-03-26 15:16:16,283 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 246 predicate places. [2021-03-26 15:16:16,283 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:16,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 1385 transitions, 45118 flow [2021-03-26 15:16:16,283 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 1385 transitions, 45118 flow [2021-03-26 15:16:16,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 1385 transitions, 45118 flow [2021-03-26 15:16:16,467 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][506], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 1102#(<= i2 (+ i1 2)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2159#(<= i1 i2), 949#true, 54#(<= i2 i1), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:16,467 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:16:16,467 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:16:16,467 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:16,467 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:17,058 INFO L129 PetriNetUnfolder]: 2310/4486 cut-off events. [2021-03-26 15:16:17,058 INFO L130 PetriNetUnfolder]: For 53121/53156 co-relation queries the response was YES. [2021-03-26 15:16:17,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47732 conditions, 4486 events. 2310/4486 cut-off events. For 53121/53156 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 36333 event pairs, 0 based on Foata normal form. 0/4294 useless extension candidates. Maximal degree in co-relation 46910. Up to 897 conditions per place. [2021-03-26 15:16:17,165 INFO L142 LiptonReduction]: Number of co-enabled transitions 14112 [2021-03-26 15:16:17,450 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:17,450 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:17,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1167 [2021-03-26 15:16:17,451 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 1385 transitions, 45118 flow [2021-03-26 15:16:17,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 23.333333333333332) internal successors, (280), 12 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:17,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:17,451 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:17,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:17,653 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:17,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:17,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1740255446, now seen corresponding path program 9 times [2021-03-26 15:16:17,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:17,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874788954] [2021-03-26 15:16:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:17,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:17,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,685 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-26 15:16:17,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:16:17,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:16:17,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:16:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:16:17,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874788954] [2021-03-26 15:16:17,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395958299] [2021-03-26 15:16:17,696 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:17,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 15:16:17,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:17,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-26 15:16:17,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:17,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:17,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:17,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:17,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:17,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:17,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:17,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:17,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:17,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:17,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:17,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:17,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:17,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:17,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:17,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:17,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 15:16:17,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:17,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 15:16:17,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186212504] [2021-03-26 15:16:17,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:16:17,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:17,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:16:17,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:16:17,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:16:17,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 1385 transitions, 45118 flow. Second operand has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:17,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:17,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:16:17,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:18,192 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][60], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 1102#(<= i2 (+ i1 2)), Black: 2245#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2159#(<= i1 i2), 949#true, 54#(<= i2 i1), 2358#(<= (+ i2 1) i1), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:18,192 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:18,192 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:18,192 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:18,192 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:19,081 INFO L129 PetriNetUnfolder]: 2455/4894 cut-off events. [2021-03-26 15:16:19,081 INFO L130 PetriNetUnfolder]: For 63377/63513 co-relation queries the response was YES. [2021-03-26 15:16:19,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52476 conditions, 4894 events. 2455/4894 cut-off events. For 63377/63513 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 40274 event pairs, 0 based on Foata normal form. 31/4706 useless extension candidates. Maximal degree in co-relation 51502. Up to 1049 conditions per place. [2021-03-26 15:16:19,165 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 514 selfloop transitions, 938 changer transitions 0/1464 dead transitions. [2021-03-26 15:16:19,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 1464 transitions, 49664 flow [2021-03-26 15:16:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:16:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:16:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 341 transitions. [2021-03-26 15:16:19,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7714932126696833 [2021-03-26 15:16:19,166 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 341 transitions. [2021-03-26 15:16:19,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 341 transitions. [2021-03-26 15:16:19,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:19,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 341 transitions. [2021-03-26 15:16:19,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 26.23076923076923) internal successors, (341), 13 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:19,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 34.0) internal successors, (476), 14 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:19,168 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 34.0) internal successors, (476), 14 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:19,168 INFO L185 Difference]: Start difference. First operand has 273 places, 1385 transitions, 45118 flow. Second operand 13 states and 341 transitions. [2021-03-26 15:16:19,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 1464 transitions, 49664 flow [2021-03-26 15:16:19,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 1464 transitions, 48961 flow, removed 178 selfloop flow, removed 4 redundant places. [2021-03-26 15:16:19,908 INFO L241 Difference]: Finished difference. Result has 286 places, 1460 transitions, 49651 flow [2021-03-26 15:16:19,909 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=44368, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=867, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=49651, PETRI_PLACES=286, PETRI_TRANSITIONS=1460} [2021-03-26 15:16:19,909 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 259 predicate places. [2021-03-26 15:16:19,909 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:19,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 286 places, 1460 transitions, 49651 flow [2021-03-26 15:16:19,909 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 286 places, 1460 transitions, 49651 flow [2021-03-26 15:16:19,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 286 places, 1460 transitions, 49651 flow [2021-03-26 15:16:20,101 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1315], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 1102#(<= i2 (+ i1 2)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2159#(<= i1 i2), 949#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:20,101 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:16:20,101 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:20,101 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:16:20,101 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:20,841 INFO L129 PetriNetUnfolder]: 2428/4738 cut-off events. [2021-03-26 15:16:20,842 INFO L130 PetriNetUnfolder]: For 64145/64300 co-relation queries the response was YES. [2021-03-26 15:16:20,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52310 conditions, 4738 events. 2428/4738 cut-off events. For 64145/64300 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 38737 event pairs, 0 based on Foata normal form. 4/4539 useless extension candidates. Maximal degree in co-relation 51389. Up to 921 conditions per place. [2021-03-26 15:16:20,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 14850 [2021-03-26 15:16:21,220 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:21,220 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:21,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1311 [2021-03-26 15:16:21,221 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 1460 transitions, 49651 flow [2021-03-26 15:16:21,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:21,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:21,221 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:21,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:21,424 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:21,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:21,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1147427306, now seen corresponding path program 14 times [2021-03-26 15:16:21,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:21,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101289085] [2021-03-26 15:16:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:21,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:21,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 15:16:21,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 15:16:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:21,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101289085] [2021-03-26 15:16:21,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183855311] [2021-03-26 15:16:21,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:21,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 15:16:21,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:21,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 15:16:21,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:21,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:21,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:21,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 15:16:21,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:16:21,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 15:16:21,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 15:16:21,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:21,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:21,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:21,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:16:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:21,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:21,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 15:16:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:21,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:21,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 15:16:21,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592807997] [2021-03-26 15:16:21,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:16:21,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:21,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:16:21,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:16:21,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-26 15:16:21,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 1460 transitions, 49651 flow. Second operand has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:21,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:21,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-26 15:16:21,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:21,971 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][60], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 1102#(<= i2 (+ i1 2)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), 949#true, Black: 2159#(<= i1 i2), Black: 2175#(<= i1 (+ i2 2)), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:21,971 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 15:16:21,971 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:21,971 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:21,971 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:23,050 INFO L129 PetriNetUnfolder]: 2610/5179 cut-off events. [2021-03-26 15:16:23,051 INFO L130 PetriNetUnfolder]: For 72335/72555 co-relation queries the response was YES. [2021-03-26 15:16:23,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57545 conditions, 5179 events. 2610/5179 cut-off events. For 72335/72555 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 42887 event pairs, 0 based on Foata normal form. 29/4956 useless extension candidates. Maximal degree in co-relation 56445. Up to 953 conditions per place. [2021-03-26 15:16:23,141 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 336 selfloop transitions, 1199 changer transitions 0/1547 dead transitions. [2021-03-26 15:16:23,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 1547 transitions, 54842 flow [2021-03-26 15:16:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:16:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:16:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 263 transitions. [2021-03-26 15:16:23,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7735294117647059 [2021-03-26 15:16:23,142 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 263 transitions. [2021-03-26 15:16:23,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 263 transitions. [2021-03-26 15:16:23,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:23,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 263 transitions. [2021-03-26 15:16:23,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 26.3) internal successors, (263), 10 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:23,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:23,143 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:23,143 INFO L185 Difference]: Start difference. First operand has 286 places, 1460 transitions, 49651 flow. Second operand 10 states and 263 transitions. [2021-03-26 15:16:23,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 1547 transitions, 54842 flow [2021-03-26 15:16:24,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 1547 transitions, 54220 flow, removed 220 selfloop flow, removed 7 redundant places. [2021-03-26 15:16:24,062 INFO L241 Difference]: Finished difference. Result has 293 places, 1543 transitions, 55858 flow [2021-03-26 15:16:24,063 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=49042, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=55858, PETRI_PLACES=293, PETRI_TRANSITIONS=1543} [2021-03-26 15:16:24,063 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 266 predicate places. [2021-03-26 15:16:24,063 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:24,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 1543 transitions, 55858 flow [2021-03-26 15:16:24,063 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 1543 transitions, 55858 flow [2021-03-26 15:16:24,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 1543 transitions, 55858 flow [2021-03-26 15:16:24,279 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][885], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:24,279 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 15:16:24,280 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:24,280 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:24,280 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 15:16:25,039 INFO L129 PetriNetUnfolder]: 2595/5003 cut-off events. [2021-03-26 15:16:25,039 INFO L130 PetriNetUnfolder]: For 78712/78751 co-relation queries the response was YES. [2021-03-26 15:16:25,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58438 conditions, 5003 events. 2595/5003 cut-off events. For 78712/78751 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 41113 event pairs, 0 based on Foata normal form. 0/4802 useless extension candidates. Maximal degree in co-relation 57531. Up to 953 conditions per place. [2021-03-26 15:16:25,169 INFO L142 LiptonReduction]: Number of co-enabled transitions 15624 [2021-03-26 15:16:25,528 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:25,528 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:25,528 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1465 [2021-03-26 15:16:25,528 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 1543 transitions, 55858 flow [2021-03-26 15:16:25,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:25,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:25,529 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:25,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,33 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:25,729 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:25,730 INFO L82 PathProgramCache]: Analyzing trace with hash -284815881, now seen corresponding path program 10 times [2021-03-26 15:16:25,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:25,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95990367] [2021-03-26 15:16:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:25,763 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-26 15:16:25,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:25,777 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-26 15:16:25,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:25,785 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-26 15:16:25,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:25,795 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-26 15:16:25,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:16:25,806 INFO L142 QuantifierPusher]: treesize reduction 14, result has 76.7 percent of original size [2021-03-26 15:16:25,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 15:16:25,818 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size [2021-03-26 15:16:25,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 15:16:25,833 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-26 15:16:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:16:25,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:25,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:16:25,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:25,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95990367] [2021-03-26 15:16:25,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479153245] [2021-03-26 15:16:25,873 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:25,898 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 15:16:25,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:25,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-26 15:16:25,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:25,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:25,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,908 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-26 15:16:25,908 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:16:25,909 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-26 15:16:25,909 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 15:16:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:25,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:25,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,936 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 15:16:25,937 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-26 15:16:25,937 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-26 15:16:25,938 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-26 15:16:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:25,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:25,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,958 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size 34 [2021-03-26 15:16:25,958 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size [2021-03-26 15:16:25,959 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-26 15:16:25,959 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-26 15:16:25,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:25,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:25,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,980 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 15:16:25,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-26 15:16:25,981 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-26 15:16:25,982 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-26 15:16:25,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:25,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:25,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:26,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,006 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-03-26 15:16:26,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 15:16:26,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:26,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:26,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:26,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,025 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-26 15:16:26,025 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-26 15:16:26,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:26,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:26,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:26,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,045 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-03-26 15:16:26,046 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-26 15:16:26,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:26,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:26,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:26,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,065 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-26 15:16:26,065 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-26 15:16:26,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:26,065 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-26 15:16:26,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:26,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:26,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:26,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:26,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:26,098 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-26 15:16:26,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:26,100 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-26 15:16:26,100 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:26,100 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:26,101 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,101 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:26,101 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:26,102 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,102 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:26,102 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:26,102 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,103 INFO L147 QuantifierPusher]: treesize reduction 16, result has 85.3 percent of original size 93 [2021-03-26 15:16:26,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:26,104 INFO L142 QuantifierPusher]: treesize reduction 17, result has 87.1 percent of original size [2021-03-26 15:16:26,104 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-26 15:16:26,104 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:26,105 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,105 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-26 15:16:26,105 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:26,106 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,106 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-26 15:16:26,107 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:26,107 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,109 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:26,109 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:26,109 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,110 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:26,110 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:26,110 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,110 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:26,111 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:26,111 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,112 INFO L147 QuantifierPusher]: treesize reduction 46, result has 82.3 percent of original size 214 [2021-03-26 15:16:26,113 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:26,113 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:26,115 INFO L142 QuantifierPusher]: treesize reduction 56, result has 80.6 percent of original size [2021-03-26 15:16:26,116 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:26,116 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:26,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 15:16:26,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-26 15:16:26,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-26 15:16:26,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-26 15:16:26,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:16:26,146 INFO L628 ElimStorePlain]: treesize reduction 232, result has 3.3 percent of original size [2021-03-26 15:16:26,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:26,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:16:26,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-26 15:16:26,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:26,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:26,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:26,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:26,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-26 15:16:26,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815559519] [2021-03-26 15:16:26,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 15:16:26,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:26,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 15:16:26,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-03-26 15:16:26,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:16:26,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 1543 transitions, 55858 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) [2021-03-26 15:16:26,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:26,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:16:26,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:27,391 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][141], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:27,392 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:27,392 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:27,392 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:27,392 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:27,417 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][77], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:27,417 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:27,417 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:27,417 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:27,417 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:27,486 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][270], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:27,486 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:27,486 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:27,486 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:27,486 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:27,692 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][17], [5#L80true, 9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 2580#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 1056#(<= (+ i2 2) i1), 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 884#(<= (+ i2 2) i1), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:27,692 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-26 15:16:27,692 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:27,692 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:27,693 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 15:16:27,695 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][17], [5#L80true, 9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 1056#(<= (+ i2 2) i1), 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 54#(<= i2 i1), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2417#(<= i2 i1), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 884#(<= (+ i2 2) i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:27,695 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-03-26 15:16:27,695 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:16:27,695 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:16:27,695 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:28,611 INFO L129 PetriNetUnfolder]: 3005/5960 cut-off events. [2021-03-26 15:16:28,611 INFO L130 PetriNetUnfolder]: For 94698/94794 co-relation queries the response was YES. [2021-03-26 15:16:28,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69511 conditions, 5960 events. 3005/5960 cut-off events. For 94698/94794 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 50444 event pairs, 0 based on Foata normal form. 13/5707 useless extension candidates. Maximal degree in co-relation 67950. Up to 1229 conditions per place. [2021-03-26 15:16:28,731 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 460 selfloop transitions, 1307 changer transitions 0/1779 dead transitions. [2021-03-26 15:16:28,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 1779 transitions, 66104 flow [2021-03-26 15:16:28,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 15:16:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 15:16:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 446 transitions. [2021-03-26 15:16:28,732 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6558823529411765 [2021-03-26 15:16:28,732 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 446 transitions. [2021-03-26 15:16:28,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 446 transitions. [2021-03-26 15:16:28,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:28,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 446 transitions. [2021-03-26 15:16:28,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 22.3) internal successors, (446), 20 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:28,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 34.0) internal successors, (714), 21 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:28,735 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 34.0) internal successors, (714), 21 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:28,735 INFO L185 Difference]: Start difference. First operand has 293 places, 1543 transitions, 55858 flow. Second operand 20 states and 446 transitions. [2021-03-26 15:16:28,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 1779 transitions, 66104 flow [2021-03-26 15:16:29,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 1779 transitions, 65279 flow, removed 368 selfloop flow, removed 2 redundant places. [2021-03-26 15:16:29,857 INFO L241 Difference]: Finished difference. Result has 314 places, 1779 transitions, 65796 flow [2021-03-26 15:16:29,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=55207, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=65796, PETRI_PLACES=314, PETRI_TRANSITIONS=1779} [2021-03-26 15:16:29,859 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 287 predicate places. [2021-03-26 15:16:29,859 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:29,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 1779 transitions, 65796 flow [2021-03-26 15:16:29,859 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 1779 transitions, 65796 flow [2021-03-26 15:16:29,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 314 places, 1779 transitions, 65796 flow [2021-03-26 15:16:30,286 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1296], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:30,287 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:30,287 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:30,287 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:30,287 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:30,367 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][341], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:30,367 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:30,367 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:30,367 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:30,367 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:30,422 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][758], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:30,423 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:30,423 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:30,423 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:30,423 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:30,812 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][249], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 2580#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 884#(<= (+ i2 2) i1), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:30,812 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:16:30,812 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:30,812 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:30,812 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:16:30,912 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][249], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 54#(<= i2 i1), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 884#(<= (+ i2 2) i1), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:30,912 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 15:16:30,912 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:30,913 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:30,913 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:31,104 INFO L129 PetriNetUnfolder]: 3014/5803 cut-off events. [2021-03-26 15:16:31,104 INFO L130 PetriNetUnfolder]: For 96998/97039 co-relation queries the response was YES. [2021-03-26 15:16:31,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69004 conditions, 5803 events. 3014/5803 cut-off events. For 96998/97039 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 48702 event pairs, 0 based on Foata normal form. 0/5571 useless extension candidates. Maximal degree in co-relation 67765. Up to 1073 conditions per place. [2021-03-26 15:16:31,245 INFO L142 LiptonReduction]: Number of co-enabled transitions 18048 [2021-03-26 15:16:31,668 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:31,668 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:31,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1809 [2021-03-26 15:16:31,669 INFO L480 AbstractCegarLoop]: Abstraction has has 314 places, 1779 transitions, 65796 flow [2021-03-26 15:16:31,669 INFO L481 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) [2021-03-26 15:16:31,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:31,669 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:31,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:31,869 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:31,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:31,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1341630961, now seen corresponding path program 11 times [2021-03-26 15:16:31,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:31,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415036007] [2021-03-26 15:16:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:31,903 INFO L142 QuantifierPusher]: treesize reduction 41, result has 35.9 percent of original size [2021-03-26 15:16:31,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:16:31,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:31,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:31,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:31,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:31,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:16:31,957 INFO L142 QuantifierPusher]: treesize reduction 50, result has 37.5 percent of original size [2021-03-26 15:16:31,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:31,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:31,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:16:31,998 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-26 15:16:31,999 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-26 15:16:32,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:32,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:16:32,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 15:16:32,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415036007] [2021-03-26 15:16:32,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272657213] [2021-03-26 15:16:32,016 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:32,043 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-26 15:16:32,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:32,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-26 15:16:32,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:32,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:32,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,051 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-03-26 15:16:32,051 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-03-26 15:16:32,051 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size 21 [2021-03-26 15:16:32,051 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-26 15:16:32,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:32,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:32,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,064 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.6 percent of original size 29 [2021-03-26 15:16:32,064 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-03-26 15:16:32,066 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-26 15:16:32,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-26 15:16:32,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:32,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:32,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:32,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:32,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:32,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:32,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,081 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-26 15:16:32,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-26 15:16:32,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:16:32,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:32,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:32,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:32,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 15:16:32,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 15:16:32,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 15:16:32,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 15:16:32,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,130 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size 42 [2021-03-26 15:16:32,130 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-26 15:16:32,130 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 15:16:32,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 15:16:32,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:32,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:32,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:32,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,145 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-26 15:16:32,146 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-03-26 15:16:32,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:32,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,160 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-26 15:16:32,160 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-26 15:16:32,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,161 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-26 15:16:32,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:32,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:32,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:32,189 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-26 15:16:32,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,191 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-26 15:16:32,191 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:32,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:32,192 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,192 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:32,192 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:32,193 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,193 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:32,193 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,194 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,195 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.6 percent of original size 93 [2021-03-26 15:16:32,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,195 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.8 percent of original size [2021-03-26 15:16:32,195 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-26 15:16:32,196 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:32,196 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,196 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-26 15:16:32,196 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:32,197 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,197 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-26 15:16:32,197 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,197 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,198 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:32,198 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,198 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,199 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:32,199 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:32,199 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,200 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:32,200 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:32,200 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,200 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:32,200 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,201 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,202 INFO L147 QuantifierPusher]: treesize reduction 48, result has 83.0 percent of original size 235 [2021-03-26 15:16:32,203 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,203 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,205 INFO L142 QuantifierPusher]: treesize reduction 58, result has 81.4 percent of original size [2021-03-26 15:16:32,205 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,206 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 15:16:32,207 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,208 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,209 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.5 percent of original size 49 [2021-03-26 15:16:32,209 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:32,209 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:32,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:16:32,212 INFO L147 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size 306 [2021-03-26 15:16:32,216 INFO L147 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size 306 [2021-03-26 15:16:32,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size [2021-03-26 15:16:32,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-03-26 15:16:32,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:16:32,244 INFO L628 ElimStorePlain]: treesize reduction 298, result has 2.6 percent of original size [2021-03-26 15:16:32,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:32,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:16:32,244 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-26 15:16:32,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:32,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:32,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:32,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 15:16:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:32,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:32,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-03-26 15:16:32,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834310837] [2021-03-26 15:16:32,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 15:16:32,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:32,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 15:16:32,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-03-26 15:16:32,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:16:32,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 1779 transitions, 65796 flow. Second operand has 15 states, 15 states have (on average 19.133333333333333) internal successors, (287), 15 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:32,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:32,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:16:32,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:33,275 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:33,275 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:33,275 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:33,275 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:33,275 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:33,284 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][109], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:33,284 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:33,285 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:33,285 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:33,285 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:33,407 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][203], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2488#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:33,407 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:33,407 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:33,407 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:33,408 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:34,837 INFO L129 PetriNetUnfolder]: 3147/6247 cut-off events. [2021-03-26 15:16:34,837 INFO L130 PetriNetUnfolder]: For 104237/104370 co-relation queries the response was YES. [2021-03-26 15:16:34,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75782 conditions, 6247 events. 3147/6247 cut-off events. For 104237/104370 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 53277 event pairs, 0 based on Foata normal form. 23/5991 useless extension candidates. Maximal degree in co-relation 74198. Up to 2461 conditions per place. [2021-03-26 15:16:34,949 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1006 selfloop transitions, 840 changer transitions 0/1858 dead transitions. [2021-03-26 15:16:34,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 1858 transitions, 72140 flow [2021-03-26 15:16:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:16:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:16:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-26 15:16:34,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-26 15:16:34,952 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-26 15:16:34,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-26 15:16:34,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:34,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-26 15:16:34,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.823529411764707) internal successors, (371), 17 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:34,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:34,954 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:34,954 INFO L185 Difference]: Start difference. First operand has 314 places, 1779 transitions, 65796 flow. Second operand 17 states and 371 transitions. [2021-03-26 15:16:34,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 1858 transitions, 72140 flow [2021-03-26 15:16:36,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 1858 transitions, 71271 flow, removed 200 selfloop flow, removed 7 redundant places. [2021-03-26 15:16:36,171 INFO L241 Difference]: Finished difference. Result has 326 places, 1858 transitions, 70339 flow [2021-03-26 15:16:36,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=64840, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1776, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=766, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=964, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=70339, PETRI_PLACES=326, PETRI_TRANSITIONS=1858} [2021-03-26 15:16:36,172 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 299 predicate places. [2021-03-26 15:16:36,172 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:36,172 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 326 places, 1858 transitions, 70339 flow [2021-03-26 15:16:36,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 326 places, 1858 transitions, 70339 flow [2021-03-26 15:16:36,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 1858 transitions, 70339 flow [2021-03-26 15:16:36,598 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1125], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:36,599 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:36,599 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:36,599 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:36,599 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:36,604 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][29], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:36,604 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:36,605 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:36,605 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:36,605 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:36,639 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][812], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ 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(= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:36,639 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:36,639 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:36,639 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:36,639 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:37,062 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][290], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= 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2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:37,063 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:16:37,063 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:37,063 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:16:37,063 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:37,203 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][290], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:37,203 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 15:16:37,203 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:37,203 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:37,203 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:37,210 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][290], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 2596#true, 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:37,210 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 15:16:37,210 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:37,210 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:37,210 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:37,459 INFO L129 PetriNetUnfolder]: 3124/6036 cut-off events. [2021-03-26 15:16:37,459 INFO L130 PetriNetUnfolder]: For 103331/103463 co-relation queries the response was YES. [2021-03-26 15:16:37,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73702 conditions, 6036 events. 3124/6036 cut-off events. For 103331/103463 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 51088 event pairs, 0 based on Foata normal form. 0/5789 useless extension candidates. Maximal degree in co-relation 72518. Up to 1089 conditions per place. [2021-03-26 15:16:37,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 18888 [2021-03-26 15:16:38,166 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:38,166 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:38,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1994 [2021-03-26 15:16:38,166 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 1858 transitions, 70339 flow [2021-03-26 15:16:38,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.133333333333333) internal successors, (287), 15 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:38,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:38,167 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:38,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:38,367 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:38,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:38,367 INFO L82 PathProgramCache]: Analyzing trace with hash -615312551, now seen corresponding path program 12 times [2021-03-26 15:16:38,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:38,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685263862] [2021-03-26 15:16:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:38,399 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-26 15:16:38,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:38,425 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-03-26 15:16:38,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:16:38,445 INFO L142 QuantifierPusher]: treesize reduction 36, result has 53.8 percent of original size [2021-03-26 15:16:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 15:16:38,485 INFO L142 QuantifierPusher]: treesize reduction 47, result has 42.7 percent of original size [2021-03-26 15:16:38,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:16:38,517 INFO L142 QuantifierPusher]: treesize reduction 76, result has 42.0 percent of original size [2021-03-26 15:16:38,518 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-03-26 15:16:38,554 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-26 15:16:38,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:38,574 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 15:16:38,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:38,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685263862] [2021-03-26 15:16:38,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895146689] [2021-03-26 15:16:38,599 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:38,637 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-26 15:16:38,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:38,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-26 15:16:38,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:38,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:38,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,654 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 15:16:38,654 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-26 15:16:38,654 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-26 15:16:38,655 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-26 15:16:38,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:38,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:38,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,667 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-26 15:16:38,667 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 15:16:38,668 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-26 15:16:38,668 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-26 15:16:38,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:38,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:38,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:38,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:16:38,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:16:38,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:16:38,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 15:16:38,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,704 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-26 15:16:38,704 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 15:16:38,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:38,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:38,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:38,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,736 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 15:16:38,737 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 15:16:38,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:38,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:38,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,758 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-26 15:16:38,759 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-26 15:16:38,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:38,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:38,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:38,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:38,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,781 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-26 15:16:38,781 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-03-26 15:16:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:38,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:38,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,804 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-26 15:16:38,804 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-26 15:16:38,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,805 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-26 15:16:38,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:38,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:38,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:38,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:38,841 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-26 15:16:38,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,843 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-26 15:16:38,844 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:38,844 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:38,845 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,845 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:38,845 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:38,846 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,846 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:38,846 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,847 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,848 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.9 percent of original size 93 [2021-03-26 15:16:38,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,849 INFO L142 QuantifierPusher]: treesize reduction 15, result has 88.5 percent of original size [2021-03-26 15:16:38,849 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-26 15:16:38,849 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:38,850 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,850 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:38,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:38,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,851 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:38,851 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:38,852 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,852 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:38,852 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,853 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,854 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-26 15:16:38,854 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:38,854 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,855 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-26 15:16:38,855 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,855 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,856 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:38,856 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,856 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,858 INFO L147 QuantifierPusher]: treesize reduction 49, result has 82.7 percent of original size 235 [2021-03-26 15:16:38,858 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,859 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,860 INFO L142 QuantifierPusher]: treesize reduction 59, result has 81.1 percent of original size [2021-03-26 15:16:38,861 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,861 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,863 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-26 15:16:38,863 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,864 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 15:16:38,866 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:38,866 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:38,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:16:38,869 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size 321 [2021-03-26 15:16:38,870 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size 321 [2021-03-26 15:16:38,872 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size [2021-03-26 15:16:38,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-03-26 15:16:38,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:16:38,907 INFO L628 ElimStorePlain]: treesize reduction 313, result has 2.5 percent of original size [2021-03-26 15:16:38,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:16:38,908 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-26 15:16:38,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:38,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:38,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-26 15:16:38,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089906329] [2021-03-26 15:16:38,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 15:16:38,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:38,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 15:16:38,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-03-26 15:16:38,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:16:38,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 1858 transitions, 70339 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) [2021-03-26 15:16:38,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:38,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:16:38,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:40,110 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][58], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:40,111 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:40,111 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:40,111 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:40,111 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:40,128 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][110], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:40,128 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:40,128 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:40,128 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:40,128 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:40,250 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][204], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:40,251 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:40,251 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:40,251 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:40,251 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:41,806 INFO L129 PetriNetUnfolder]: 3640/7221 cut-off events. [2021-03-26 15:16:41,807 INFO L130 PetriNetUnfolder]: For 119191/119323 co-relation queries the response was YES. [2021-03-26 15:16:41,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91776 conditions, 7221 events. 3640/7221 cut-off events. For 119191/119323 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 63289 event pairs, 0 based on Foata normal form. 22/6914 useless extension candidates. Maximal degree in co-relation 90102. Up to 3393 conditions per place. [2021-03-26 15:16:41,956 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1348 selfloop transitions, 802 changer transitions 0/2162 dead transitions. [2021-03-26 15:16:41,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 2162 transitions, 87422 flow [2021-03-26 15:16:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 15:16:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 15:16:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 526 transitions. [2021-03-26 15:16:41,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6446078431372549 [2021-03-26 15:16:41,958 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 526 transitions. [2021-03-26 15:16:41,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 526 transitions. [2021-03-26 15:16:41,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:41,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 526 transitions. [2021-03-26 15:16:41,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 21.916666666666668) internal successors, (526), 24 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:41,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:41,960 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:41,960 INFO L185 Difference]: Start difference. First operand has 326 places, 1858 transitions, 70339 flow. Second operand 24 states and 526 transitions. [2021-03-26 15:16:41,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 2162 transitions, 87422 flow [2021-03-26 15:16:43,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 2162 transitions, 86883 flow, removed 160 selfloop flow, removed 10 redundant places. [2021-03-26 15:16:44,010 INFO L241 Difference]: Finished difference. Result has 345 places, 2162 transitions, 85373 flow [2021-03-26 15:16:44,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=69996, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=85373, PETRI_PLACES=345, PETRI_TRANSITIONS=2162} [2021-03-26 15:16:44,012 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 318 predicate places. [2021-03-26 15:16:44,012 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:44,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 2162 transitions, 85373 flow [2021-03-26 15:16:44,012 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 2162 transitions, 85373 flow [2021-03-26 15:16:44,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 345 places, 2162 transitions, 85373 flow [2021-03-26 15:16:44,727 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1244], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2488#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1257#true, Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:44,727 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:44,727 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:44,727 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:44,727 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:44,859 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1748], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1257#true, Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:44,860 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:44,860 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:44,860 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:44,860 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 15:16:44,878 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][895], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1257#true, Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:44,878 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:44,878 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:44,878 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:44,878 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:45,487 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][276], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 2580#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), 1056#(<= (+ i2 2) i1), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:45,488 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-26 15:16:45,488 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:45,488 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:45,488 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-26 15:16:45,700 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][276], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), 1056#(<= (+ i2 2) i1), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 54#(<= i2 i1), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), 2146#true, 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Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, 2488#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1257#true, Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:45,700 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 15:16:45,700 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:45,700 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:45,700 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:45,711 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][276], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not 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2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= 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(<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:45,712 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 15:16:45,712 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:45,712 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:45,712 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:46,007 INFO L129 PetriNetUnfolder]: 3546/6894 cut-off events. [2021-03-26 15:16:46,007 INFO L130 PetriNetUnfolder]: For 121096/121137 co-relation queries the response was YES. [2021-03-26 15:16:46,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89380 conditions, 6894 events. 3546/6894 cut-off events. For 121096/121137 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 59868 event pairs, 0 based on Foata normal form. 0/6593 useless extension candidates. Maximal degree in co-relation 87637. Up to 1273 conditions per place. [2021-03-26 15:16:46,225 INFO L142 LiptonReduction]: Number of co-enabled transitions 22062 [2021-03-26 15:16:46,876 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:46,876 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:46,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2864 [2021-03-26 15:16:46,876 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 2162 transitions, 85373 flow [2021-03-26 15:16:46,876 INFO L481 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) [2021-03-26 15:16:46,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:46,877 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:47,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:47,086 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:47,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:47,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1949506671, now seen corresponding path program 13 times [2021-03-26 15:16:47,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:47,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213566965] [2021-03-26 15:16:47,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:47,110 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-26 15:16:47,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:47,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:47,134 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-03-26 15:16:47,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:16:47,152 INFO L142 QuantifierPusher]: treesize reduction 57, result has 41.8 percent of original size [2021-03-26 15:16:47,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 15:16:47,174 INFO L142 QuantifierPusher]: treesize reduction 65, result has 35.0 percent of original size [2021-03-26 15:16:47,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:16:47,196 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-26 15:16:47,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 15:16:47,212 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-26 15:16:47,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 15:16:47,228 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-26 15:16:47,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:47,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213566965] [2021-03-26 15:16:47,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200055564] [2021-03-26 15:16:47,249 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:47,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-26 15:16:47,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:47,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:47,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,282 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 15:16:47,283 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 15:16:47,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:47,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:47,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 15:16:47,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,294 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-26 15:16:47,294 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 15:16:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:47,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,312 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-03-26 15:16:47,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-03-26 15:16:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:47,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:47,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:47,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:47,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:16:47,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,329 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-03-26 15:16:47,329 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-03-26 15:16:47,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:47,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:47,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:47,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,346 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.7 percent of original size 64 [2021-03-26 15:16:47,347 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-26 15:16:47,347 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.8 percent of original size 61 [2021-03-26 15:16:47,348 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.8 percent of original size [2021-03-26 15:16:47,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 15:16:47,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 15:16:47,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,368 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-03-26 15:16:47,368 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-03-26 15:16:47,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 15:16:47,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 15:16:47,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 15:16:47,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 15:16:47,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,390 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-03-26 15:16:47,391 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 15:16:47,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:47,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:47,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 15:16:47,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,410 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-26 15:16:47,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:47,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:47,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 15:16:47,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 15:16:47,437 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-26 15:16:47,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,439 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-26 15:16:47,439 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:47,439 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:47,439 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,440 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:47,440 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:47,440 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,441 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:47,441 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,441 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,442 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.6 percent of original size 93 [2021-03-26 15:16:47,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,443 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.8 percent of original size [2021-03-26 15:16:47,443 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-26 15:16:47,443 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:47,443 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,444 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:47,444 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:47,444 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,444 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:47,444 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:47,445 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,445 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:47,445 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,445 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,446 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-26 15:16:47,446 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:47,447 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,447 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-26 15:16:47,447 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,448 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,448 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:47,448 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,449 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,451 INFO L147 QuantifierPusher]: treesize reduction 50, result has 82.5 percent of original size 235 [2021-03-26 15:16:47,451 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,452 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,455 INFO L142 QuantifierPusher]: treesize reduction 243, result has 58.6 percent of original size [2021-03-26 15:16:47,455 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,456 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,457 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-03-26 15:16:47,458 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,458 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:16:47,460 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:47,460 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:47,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,461 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-03-26 15:16:47,464 INFO L147 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size 297 [2021-03-26 15:16:47,466 INFO L147 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size 297 [2021-03-26 15:16:47,468 INFO L142 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size [2021-03-26 15:16:47,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 297 [2021-03-26 15:16:47,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-26 15:16:47,498 INFO L628 ElimStorePlain]: treesize reduction 289, result has 2.7 percent of original size [2021-03-26 15:16:47,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:47,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-26 15:16:47,499 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-26 15:16:47,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:47,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 15:16:47,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:16:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:16:47,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 15:16:47,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-26 15:16:47,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878687643] [2021-03-26 15:16:47,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 15:16:47,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:16:47,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 15:16:47,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-03-26 15:16:47,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-26 15:16:47,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 2162 transitions, 85373 flow. Second operand has 18 states, 18 states have (on average 19.055555555555557) internal successors, (343), 18 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:47,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:16:47,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-26 15:16:47,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:16:49,343 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][110], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 2799#true, 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:49,344 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 15:16:49,344 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:49,344 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 15:16:49,344 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 15:16:49,616 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][204], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2488#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1257#true, Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, 2799#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:49,616 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:49,616 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:49,616 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:49,616 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:52,071 INFO L129 PetriNetUnfolder]: 4128/8206 cut-off events. [2021-03-26 15:16:52,071 INFO L130 PetriNetUnfolder]: For 140462/140594 co-relation queries the response was YES. [2021-03-26 15:16:52,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105214 conditions, 8206 events. 4128/8206 cut-off events. For 140462/140594 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 73647 event pairs, 0 based on Foata normal form. 28/7835 useless extension candidates. Maximal degree in co-relation 103535. Up to 3909 conditions per place. [2021-03-26 15:16:52,229 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1530 selfloop transitions, 905 changer transitions 0/2447 dead transitions. [2021-03-26 15:16:52,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 2447 transitions, 100334 flow [2021-03-26 15:16:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-26 15:16:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-26 15:16:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 591 transitions. [2021-03-26 15:16:52,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-26 15:16:52,231 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 591 transitions. [2021-03-26 15:16:52,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 591 transitions. [2021-03-26 15:16:52,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:16:52,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 591 transitions. [2021-03-26 15:16:52,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 21.88888888888889) internal successors, (591), 27 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:52,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:52,234 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:52,235 INFO L185 Difference]: Start difference. First operand has 345 places, 2162 transitions, 85373 flow. Second operand 27 states and 591 transitions. [2021-03-26 15:16:52,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 2447 transitions, 100334 flow [2021-03-26 15:16:54,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 2447 transitions, 99953 flow, removed 122 selfloop flow, removed 9 redundant places. [2021-03-26 15:16:54,559 INFO L241 Difference]: Finished difference. Result has 367 places, 2447 transitions, 98250 flow [2021-03-26 15:16:54,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=85020, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=644, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=98250, PETRI_PLACES=367, PETRI_TRANSITIONS=2447} [2021-03-26 15:16:54,560 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 340 predicate places. [2021-03-26 15:16:54,560 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:16:54,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 367 places, 2447 transitions, 98250 flow [2021-03-26 15:16:54,561 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 367 places, 2447 transitions, 98250 flow [2021-03-26 15:16:54,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 367 places, 2447 transitions, 98250 flow [2021-03-26 15:16:55,260 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1481], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2804#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2070#(<= i1 (+ i2 2)), Black: 2807#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2808#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), Black: 2809#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2146#true, Black: 2891#(and (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))) (or (not (= n (+ i2 1))) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1))), Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2488#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 2799#true, 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:55,260 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:55,260 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:55,260 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:55,260 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:55,353 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1083], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2804#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2807#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2808#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2809#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2325#(<= i2 i1), Black: 2891#(and (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))) (or (not (= n (+ i2 1))) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1))), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1257#true, Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, 2799#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:55,353 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 15:16:55,353 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:55,353 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 15:16:55,353 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-26 15:16:56,547 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][377], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2804#(or (and (<= s1 (+ s2 (select x 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s1 (+ s2 1)) (<= s2 s1))), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 2799#true, 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:56,547 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 15:16:56,547 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:56,547 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:56,548 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:56,593 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][377], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and 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(select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-26 15:16:56,593 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 15:16:56,593 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:56,593 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 15:16:56,593 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 15:16:56,938 INFO L129 PetriNetUnfolder]: 4031/7825 cut-off events. [2021-03-26 15:16:56,938 INFO L130 PetriNetUnfolder]: For 140758/140801 co-relation queries the response was YES. [2021-03-26 15:16:57,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102812 conditions, 7825 events. 4031/7825 cut-off events. For 140758/140801 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 69290 event pairs, 0 based on Foata normal form. 0/7498 useless extension candidates. Maximal degree in co-relation 101054. Up to 1465 conditions per place. [2021-03-26 15:16:57,276 INFO L142 LiptonReduction]: Number of co-enabled transitions 25044 [2021-03-26 15:16:58,055 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:16:58,056 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:16:58,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3496 [2021-03-26 15:16:58,056 INFO L480 AbstractCegarLoop]: Abstraction has has 367 places, 2447 transitions, 98250 flow [2021-03-26 15:16:58,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.055555555555557) internal successors, (343), 18 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:16:58,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:16:58,056 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:16:58,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable205 [2021-03-26 15:16:58,257 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 15:16:58,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:16:58,257 INFO L82 PathProgramCache]: Analyzing trace with hash 436481143, now seen corresponding path program 15 times [2021-03-26 15:16:58,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:16:58,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498919351] [2021-03-26 15:16:58,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:16:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:16:58,278 INFO L142 QuantifierPusher]: treesize reduction 42, result has 34.4 percent of original size [2021-03-26 15:16:58,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:58,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:16:58,303 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-03-26 15:16:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 15:16:58,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:16:58,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:16:58,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 15:16:58,355 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-26 15:16:58,355 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-26 15:16:58,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:58,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 15:16:58,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 15:16:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 15:16:58,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498919351] [2021-03-26 15:16:58,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215524891] [2021-03-26 15:16:58,374 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 15:16:58,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 15:16:58,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 15:16:58,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-26 15:16:58,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 15:16:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:16:58,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,423 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-26 15:16:58,423 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-26 15:16:58,424 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-26 15:16:58,424 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-26 15:16:58,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:58,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:16:58,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 15:16:58,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:58,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:58,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:16:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,448 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-03-26 15:16:58,448 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 15:16:58,449 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 15:16:58,449 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 15:16:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:58,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:58,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:58,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:58,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 15:16:58,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,465 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size 24 [2021-03-26 15:16:58,466 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 15:16:58,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:58,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:16:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,481 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-26 15:16:58,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-26 15:16:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:58,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:58,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 15:16:58,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 15:16:58,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,499 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-03-26 15:16:58,499 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 15:16:58,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:58,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 15:16:58,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,517 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-03-26 15:16:58,517 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-03-26 15:16:58,517 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-03-26 15:16:58,518 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-03-26 15:16:58,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:58,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 15:16:58,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 15:16:58,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,539 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-26 15:16:58,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:16:58,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:16:58,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 15:16:58,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 15:16:58,669 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-03-26 15:16:58,670 INFO L354 Elim1Store]: treesize reduction 20, result has 85.0 percent of original size [2021-03-26 15:16:58,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 35 treesize of output 127 [2021-03-26 15:16:58,671 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-26 15:16:58,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,672 INFO L142 QuantifierPusher]: treesize reduction 26, result has 79.0 percent of original size [2021-03-26 15:16:58,672 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 1] term [2021-03-26 15:16:58,673 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-03-26 15:16:58,673 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,674 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 1] term [2021-03-26 15:16:58,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-26 15:16:58,674 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,675 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2021-03-26 15:16:58,675 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-26 15:16:58,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,676 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-03-26 15:16:58,676 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:16:58,676 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,676 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-26 15:16:58,677 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:58,677 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,677 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:58,677 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,678 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,678 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:58,678 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,678 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,680 INFO L147 QuantifierPusher]: treesize reduction 119, result has 76.1 percent of original size 379 [2021-03-26 15:16:58,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,683 INFO L142 QuantifierPusher]: treesize reduction 129, result has 76.3 percent of original size [2021-03-26 15:16:58,684 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,687 INFO L142 QuantifierPusher]: treesize reduction 53, result has 93.3 percent of original size [2021-03-26 15:16:58,688 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:58,688 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,688 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,689 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:58,689 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,690 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,691 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:58,691 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,692 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-26 15:16:58,692 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,693 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,693 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-26 15:16:58,693 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,694 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,695 INFO L147 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size 92 [2021-03-26 15:16:58,695 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:16:58,696 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,697 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.2 percent of original size [2021-03-26 15:16:58,697 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,697 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,699 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,699 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,701 INFO L147 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size 13 [2021-03-26 15:16:58,701 INFO L147 QuantifierPusher]: treesize reduction 17, result has 77.0 percent of original size 57 [2021-03-26 15:16:58,702 INFO L147 QuantifierPusher]: treesize reduction 13, result has 91.5 percent of original size 140 [2021-03-26 15:16:58,703 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-26 15:16:58,704 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,705 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:16:58,705 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,707 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:58,707 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,709 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,709 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,711 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,711 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,712 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-03-26 15:16:58,712 INFO L147 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size 10 [2021-03-26 15:16:58,713 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.3 percent of original size 92 [2021-03-26 15:16:58,714 INFO L147 QuantifierPusher]: treesize reduction 28, result has 84.5 percent of original size 153 [2021-03-26 15:16:58,715 INFO L147 QuantifierPusher]: treesize reduction 64, result has 76.7 percent of original size 211 [2021-03-26 15:16:58,717 INFO L147 QuantifierPusher]: treesize reduction 83, result has 80.6 percent of original size 344 [2021-03-26 15:16:58,721 INFO L147 QuantifierPusher]: treesize reduction 194, result has 84.2 percent of original size 1030 [2021-03-26 15:16:58,726 INFO L147 QuantifierPusher]: treesize reduction 194, result has 84.3 percent of original size 1045 [2021-03-26 15:16:58,728 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,729 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,738 INFO L142 QuantifierPusher]: treesize reduction 459, result has 81.6 percent of original size [2021-03-26 15:16:58,739 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,740 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,746 INFO L142 QuantifierPusher]: treesize reduction 256, result has 85.8 percent of original size [2021-03-26 15:16:58,747 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:58,747 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,748 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.6 percent of original size [2021-03-26 15:16:58,748 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,748 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,749 INFO L142 QuantifierPusher]: treesize reduction 14, result has 82.1 percent of original size [2021-03-26 15:16:58,749 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,750 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 15:16:58,751 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.1 percent of original size 96 [2021-03-26 15:16:58,752 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.5 percent of original size 138 [2021-03-26 15:16:58,752 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,752 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,753 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-03-26 15:16:58,753 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,757 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,757 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-03-26 15:16:58,758 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-26 15:16:58,758 INFO L147 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size 21 [2021-03-26 15:16:58,758 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,759 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,759 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-03-26 15:16:58,760 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-26 15:16:58,760 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,761 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,762 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-03-26 15:16:58,762 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,763 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 15:16:58,765 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size 76 [2021-03-26 15:16:58,767 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 15:16:58,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,768 INFO L142 QuantifierPusher]: treesize reduction 74, result has 24.5 percent of original size [2021-03-26 15:16:58,769 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size 20 [2021-03-26 15:16:58,769 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,770 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,770 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-03-26 15:16:58,771 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-03-26 15:16:58,771 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:16:58,772 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,773 INFO L142 QuantifierPusher]: treesize reduction 18, result has 90.5 percent of original size [2021-03-26 15:16:58,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,778 INFO L142 QuantifierPusher]: treesize reduction 84, result has 62.0 percent of original size [2021-03-26 15:16:58,778 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-26 15:16:58,779 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,792 INFO L142 QuantifierPusher]: treesize reduction 30, result has 86.0 percent of original size [2021-03-26 15:16:58,793 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-26 15:16:58,794 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,796 INFO L142 QuantifierPusher]: treesize reduction 32, result has 90.5 percent of original size [2021-03-26 15:16:58,804 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-26 15:16:58,806 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,807 INFO L142 QuantifierPusher]: treesize reduction 17, result has 92.5 percent of original size [2021-03-26 15:16:58,904 INFO L147 QuantifierPusher]: treesize reduction -10, result has 101.8 percent of original size 561 [2021-03-26 15:16:58,905 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-26 15:16:58,906 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,909 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:16:58,910 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,918 INFO L147 QuantifierPusher]: treesize reduction -4, result has 101.3 percent of original size 307 [2021-03-26 15:16:58,925 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-26 15:16:58,926 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,927 INFO L142 QuantifierPusher]: treesize reduction 17, result has 92.5 percent of original size [2021-03-26 15:16:58,941 INFO L147 QuantifierPusher]: treesize reduction -10, result has 101.8 percent of original size 561 [2021-03-26 15:16:58,944 INFO L147 QuantifierPusher]: treesize reduction -14, result has 101.6 percent of original size 873 [2021-03-26 15:16:58,947 INFO L147 QuantifierPusher]: treesize reduction 538, result has 62.0 percent of original size 877 [2021-03-26 15:16:58,950 INFO L147 QuantifierPusher]: treesize reduction 538, result has 62.0 percent of original size 877 [2021-03-26 15:16:58,951 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-26 15:16:58,952 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,956 INFO L142 QuantifierPusher]: treesize reduction -24, result has 101.7 percent of original size [2021-03-26 15:16:58,958 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-26 15:16:58,959 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,963 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,964 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-03-26 15:16:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 863 [2021-03-26 15:16:58,974 INFO L147 QuantifierPusher]: treesize reduction 263, result has 81.5 percent of original size 1160 [2021-03-26 15:16:58,974 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:16:58,975 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,977 INFO L142 QuantifierPusher]: treesize reduction 26, result has 86.5 percent of original size [2021-03-26 15:16:58,977 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-26 15:16:58,978 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,980 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:58,980 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:58,992 INFO L147 QuantifierPusher]: treesize reduction 23, result has 92.6 percent of original size 287 [2021-03-26 15:16:59,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,004 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-03-26 15:16:59,005 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:59,006 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,012 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.8 percent of original size 116 [2021-03-26 15:16:59,013 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.8 percent of original size 116 [2021-03-26 15:16:59,013 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:59,019 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,020 INFO L142 QuantifierPusher]: treesize reduction -2, result has 101.5 percent of original size [2021-03-26 15:16:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-26 15:16:59,025 INFO L147 QuantifierPusher]: treesize reduction 23, result has 95.0 percent of original size 436 [2021-03-26 15:16:59,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,043 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-26 15:16:59,044 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-26 15:16:59,045 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,076 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:16:59,078 INFO L147 QuantifierPusher]: treesize reduction 47, result has 83.8 percent of original size 244 [2021-03-26 15:16:59,081 INFO L147 QuantifierPusher]: treesize reduction 47, result has 83.8 percent of original size 244 [2021-03-26 15:16:59,082 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:59,083 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,085 INFO L142 QuantifierPusher]: treesize reduction 47, result has 85.0 percent of original size [2021-03-26 15:16:59,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-26 15:16:59,089 INFO L147 QuantifierPusher]: treesize reduction 23, result has 96.8 percent of original size 705 [2021-03-26 15:16:59,095 INFO L147 QuantifierPusher]: treesize reduction 286, result has 86.8 percent of original size 1884 [2021-03-26 15:16:59,102 INFO L147 QuantifierPusher]: treesize reduction 286, result has 86.8 percent of original size 1884 [2021-03-26 15:16:59,103 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 15:16:59,104 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,110 INFO L142 QuantifierPusher]: treesize reduction 286, result has 87.0 percent of original size [2021-03-26 15:16:59,119 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-26 15:16:59,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 15:16:59,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:16:59,340 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:16:59,899 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:00,633 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:01,571 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:02,597 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:06,569 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:12,770 INFO L842 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:20,319 INFO L842 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:28,736 INFO L842 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:38,257 INFO L842 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:17:48,930 INFO L842 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:18:00,766 INFO L842 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:18:13,900 INFO L842 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:18:28,092 INFO L842 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:18:43,548 INFO L842 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:19:00,261 INFO L842 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:19:18,222 INFO L842 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:19:37,460 INFO L842 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:20:00,849 INFO L842 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:20:28,507 INFO L842 QuantifierPusher]: Run 200 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:20:57,853 INFO L842 QuantifierPusher]: Run 210 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:21:28,729 INFO L842 QuantifierPusher]: Run 220 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:22:01,176 INFO L842 QuantifierPusher]: Run 230 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:22:35,166 INFO L842 QuantifierPusher]: Run 240 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:23:10,680 INFO L842 QuantifierPusher]: Run 250 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:23:47,754 INFO L842 QuantifierPusher]: Run 260 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:24:26,491 INFO L842 QuantifierPusher]: Run 270 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:25:06,784 INFO L842 QuantifierPusher]: Run 280 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:25:48,887 INFO L842 QuantifierPusher]: Run 290 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:26:32,391 INFO L842 QuantifierPusher]: Run 300 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:27:17,324 INFO L842 QuantifierPusher]: Run 310 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:28:05,132 INFO L842 QuantifierPusher]: Run 320 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:28:53,079 INFO L842 QuantifierPusher]: Run 330 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-26 15:29:48,841 INFO L842 QuantifierPusher]: Run 340 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown