/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 23:20:00,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 23:20:00,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 23:20:00,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 23:20:00,661 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-FA-NoLbe.epf [2021-06-05 23:20:00,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 23:20:00,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 23:20:00,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 23:20:00,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 23:20:00,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 23:20:00,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 23:20:00,693 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 23:20:00,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 23:20:00,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 23:20:00,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 23:20:00,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 23:20:00,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 23:20:00,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 23:20:00,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 23:20:00,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 23:20:00,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 23:20:00,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 23:20:00,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 23:20:00,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 23:20:00,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 23:20:00,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 23:20:00,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 23:20:00,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 23:20:00,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 23:20:00,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 23:20:00,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 23:20:01,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 23:20:01,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 23:20:01,026 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-05 23:20:01,027 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-05 23:20:01,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2021-06-05 23:20:01,028 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2021-06-05 23:20:01,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 23:20:01,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-05 23:20:01,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 23:20:01,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 23:20:01,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 23:20:01,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 23:20:01,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 23:20:01,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 23:20:01,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 23:20:01,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/1) ... [2021-06-05 23:20:01,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 23:20:01,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 23:20:01,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 23:20:01,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 23:20:01,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (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 [2021-06-05 23:20:01,209 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-05 23:20:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-05 23:20:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-05 23:20:01,211 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-05 23:20:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-05 23:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-05 23:20:01,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-05 23:20:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 23:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 23:20:01,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-05 23:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-05 23:20:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-05 23:20:01,215 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 23:20:01,440 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 23:20:01,441 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-05 23:20:01,442 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 11:20:01 BoogieIcfgContainer [2021-06-05 23:20:01,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 23:20:01,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 23:20:01,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 23:20:01,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 23:20:01,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 11:20:01" (1/2) ... [2021-06-05 23:20:01,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46614035 and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 11:20:01, skipping insertion in model container [2021-06-05 23:20:01,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 11:20:01" (2/2) ... [2021-06-05 23:20:01,454 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2021-06-05 23:20:01,472 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 23:20:01,472 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 23:20:01,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 23:20:01,473 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 23:20:01,503 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-05 23:20:01,538 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 23:20:01,562 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 23:20:01,562 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 23:20:01,562 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 23:20:01,562 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 23:20:01,562 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 23:20:01,563 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 23:20:01,563 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 23:20:01,563 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 23:20:01,575 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 32 transitions, 88 flow [2021-06-05 23:20:01,606 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 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) [2021-06-05 23:20:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 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) [2021-06-05 23:20:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-06-05 23:20:01,621 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:01,622 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:01,623 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:01,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:01,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1734431870, now seen corresponding path program 1 times [2021-06-05 23:20:01,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:01,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084702126] [2021-06-05 23:20:01,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:01,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:01,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084702126] [2021-06-05 23:20:01,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084702126] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 23:20:01,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 23:20:01,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 23:20:01,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620075842] [2021-06-05 23:20:01,866 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 23:20:01,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:01,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 23:20:01,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-05 23:20:01,878 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 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) Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:01,975 INFO L93 Difference]: Finished difference Result 474 states and 1450 transitions. [2021-06-05 23:20:01,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 23:20:01,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-06-05 23:20:01,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:01,997 INFO L225 Difference]: With dead ends: 474 [2021-06-05 23:20:01,997 INFO L226 Difference]: Without dead ends: 388 [2021-06-05 23:20:01,998 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 53.6ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-05 23:20:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-06-05 23:20:02,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 176. [2021-06-05 23:20:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 3.0914285714285716) internal successors, (541), 175 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 541 transitions. [2021-06-05 23:20:02,070 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 541 transitions. Word has length 19 [2021-06-05 23:20:02,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:02,071 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 541 transitions. [2021-06-05 23:20:02,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 541 transitions. [2021-06-05 23:20:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 23:20:02,077 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:02,077 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:02,078 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 23:20:02,078 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:02,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:02,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1465060434, now seen corresponding path program 1 times [2021-06-05 23:20:02,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:02,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016619194] [2021-06-05 23:20:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:02,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:02,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016619194] [2021-06-05 23:20:02,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016619194] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 23:20:02,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 23:20:02,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 23:20:02,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382750813] [2021-06-05 23:20:02,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 23:20:02,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:02,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 23:20:02,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 23:20:02,142 INFO L87 Difference]: Start difference. First operand 176 states and 541 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:02,218 INFO L93 Difference]: Finished difference Result 346 states and 1050 transitions. [2021-06-05 23:20:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 23:20:02,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 23:20:02,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:02,223 INFO L225 Difference]: With dead ends: 346 [2021-06-05 23:20:02,223 INFO L226 Difference]: Without dead ends: 323 [2021-06-05 23:20:02,224 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 23:20:02,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-06-05 23:20:02,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 253. [2021-06-05 23:20:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 3.142857142857143) internal successors, (792), 252 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 792 transitions. [2021-06-05 23:20:02,241 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 792 transitions. Word has length 22 [2021-06-05 23:20:02,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:02,242 INFO L482 AbstractCegarLoop]: Abstraction has 253 states and 792 transitions. [2021-06-05 23:20:02,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 792 transitions. [2021-06-05 23:20:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 23:20:02,243 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:02,244 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:02,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 23:20:02,244 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:02,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:02,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1960572944, now seen corresponding path program 2 times [2021-06-05 23:20:02,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:02,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557213885] [2021-06-05 23:20:02,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:02,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:02,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557213885] [2021-06-05 23:20:02,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557213885] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 23:20:02,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 23:20:02,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 23:20:02,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558668471] [2021-06-05 23:20:02,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 23:20:02,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:02,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 23:20:02,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 23:20:02,275 INFO L87 Difference]: Start difference. First operand 253 states and 792 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:02,335 INFO L93 Difference]: Finished difference Result 495 states and 1542 transitions. [2021-06-05 23:20:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 23:20:02,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 23:20:02,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:02,341 INFO L225 Difference]: With dead ends: 495 [2021-06-05 23:20:02,341 INFO L226 Difference]: Without dead ends: 472 [2021-06-05 23:20:02,342 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 23:20:02,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-06-05 23:20:02,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 304. [2021-06-05 23:20:02,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 3.283828382838284) internal successors, (995), 303 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 995 transitions. [2021-06-05 23:20:02,372 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 995 transitions. Word has length 22 [2021-06-05 23:20:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:02,373 INFO L482 AbstractCegarLoop]: Abstraction has 304 states and 995 transitions. [2021-06-05 23:20:02,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,373 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 995 transitions. [2021-06-05 23:20:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 23:20:02,374 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:02,374 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:02,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 23:20:02,375 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:02,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:02,375 INFO L82 PathProgramCache]: Analyzing trace with hash -515537296, now seen corresponding path program 3 times [2021-06-05 23:20:02,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:02,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755655275] [2021-06-05 23:20:02,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:02,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:02,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755655275] [2021-06-05 23:20:02,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755655275] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 23:20:02,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 23:20:02,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 23:20:02,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843877764] [2021-06-05 23:20:02,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 23:20:02,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:02,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 23:20:02,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 23:20:02,435 INFO L87 Difference]: Start difference. First operand 304 states and 995 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:02,484 INFO L93 Difference]: Finished difference Result 348 states and 1103 transitions. [2021-06-05 23:20:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 23:20:02,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 23:20:02,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:02,487 INFO L225 Difference]: With dead ends: 348 [2021-06-05 23:20:02,487 INFO L226 Difference]: Without dead ends: 348 [2021-06-05 23:20:02,487 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 23:20:02,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-06-05 23:20:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2021-06-05 23:20:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 295 states have (on average 3.169491525423729) internal successors, (935), 295 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 935 transitions. [2021-06-05 23:20:02,499 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 935 transitions. Word has length 22 [2021-06-05 23:20:02,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:02,499 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 935 transitions. [2021-06-05 23:20:02,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 935 transitions. [2021-06-05 23:20:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 23:20:02,501 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:02,501 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:02,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 23:20:02,501 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:02,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:02,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1889068504, now seen corresponding path program 1 times [2021-06-05 23:20:02,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:02,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805066098] [2021-06-05 23:20:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:02,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:02,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805066098] [2021-06-05 23:20:02,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805066098] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 23:20:02,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 23:20:02,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 23:20:02,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410927808] [2021-06-05 23:20:02,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 23:20:02,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:02,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 23:20:02,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 23:20:02,573 INFO L87 Difference]: Start difference. First operand 296 states and 935 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:02,615 INFO L93 Difference]: Finished difference Result 309 states and 971 transitions. [2021-06-05 23:20:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 23:20:02,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 23:20:02,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:02,618 INFO L225 Difference]: With dead ends: 309 [2021-06-05 23:20:02,618 INFO L226 Difference]: Without dead ends: 309 [2021-06-05 23:20:02,618 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 23:20:02,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-06-05 23:20:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 256. [2021-06-05 23:20:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 3.1372549019607843) internal successors, (800), 255 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 800 transitions. [2021-06-05 23:20:02,627 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 800 transitions. Word has length 24 [2021-06-05 23:20:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:02,627 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 800 transitions. [2021-06-05 23:20:02,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 800 transitions. [2021-06-05 23:20:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 23:20:02,629 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:02,629 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:02,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 23:20:02,630 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:02,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:02,631 INFO L82 PathProgramCache]: Analyzing trace with hash 55067308, now seen corresponding path program 1 times [2021-06-05 23:20:02,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:02,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546099415] [2021-06-05 23:20:02,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:03,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:03,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:03,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546099415] [2021-06-05 23:20:03,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546099415] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:03,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221946409] [2021-06-05 23:20:03,083 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 [2021-06-05 23:20:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:03,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 23:20:03,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:03,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 23:20:03,577 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 23:20:03,594 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 23:20:03,606 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-06-05 23:20:03,629 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:03,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:03,711 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-05 23:20:03,734 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2021-06-05 23:20:03,751 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:03,764 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:03,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:03,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 23:20:03,816 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:03,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 23:20:03,825 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:03,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 23:20:03,832 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:03,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 23:20:03,843 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:03,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:03,899 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 23:20:03,899 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:197, output treesize:57 [2021-06-05 23:20:04,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 23:20:04,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:04,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-05 23:20:04,032 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:04,038 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-06-05 23:20:04,038 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-06-05 23:20:04,039 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:20:04,039 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-06-05 23:20:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:04,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221946409] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:04,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:04,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-05 23:20:04,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065395244] [2021-06-05 23:20:04,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 23:20:04,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:04,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 23:20:04,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-06-05 23:20:04,052 INFO L87 Difference]: Start difference. First operand 256 states and 800 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:04,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:04,328 INFO L93 Difference]: Finished difference Result 525 states and 1652 transitions. [2021-06-05 23:20:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 23:20:04,329 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 23:20:04,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:04,332 INFO L225 Difference]: With dead ends: 525 [2021-06-05 23:20:04,332 INFO L226 Difference]: Without dead ends: 482 [2021-06-05 23:20:04,333 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 423.4ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-06-05 23:20:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-06-05 23:20:04,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2021-06-05 23:20:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 3.161290322580645) internal successors, (1176), 372 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1176 transitions. [2021-06-05 23:20:04,345 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1176 transitions. Word has length 26 [2021-06-05 23:20:04,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:04,345 INFO L482 AbstractCegarLoop]: Abstraction has 373 states and 1176 transitions. [2021-06-05 23:20:04,346 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1176 transitions. [2021-06-05 23:20:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 23:20:04,347 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:04,347 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:04,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-05 23:20:04,548 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:04,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:04,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1009368434, now seen corresponding path program 2 times [2021-06-05 23:20:04,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:04,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252329842] [2021-06-05 23:20:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:04,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:04,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252329842] [2021-06-05 23:20:04,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252329842] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 23:20:04,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 23:20:04,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 23:20:04,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664990096] [2021-06-05 23:20:04,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 23:20:04,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:04,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 23:20:04,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 23:20:04,584 INFO L87 Difference]: Start difference. First operand 373 states and 1176 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:04,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:04,602 INFO L93 Difference]: Finished difference Result 524 states and 1595 transitions. [2021-06-05 23:20:04,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 23:20:04,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 23:20:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:04,606 INFO L225 Difference]: With dead ends: 524 [2021-06-05 23:20:04,606 INFO L226 Difference]: Without dead ends: 476 [2021-06-05 23:20:04,606 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 23:20:04,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-06-05 23:20:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 403. [2021-06-05 23:20:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 3.0970149253731343) internal successors, (1245), 402 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1245 transitions. [2021-06-05 23:20:04,617 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1245 transitions. Word has length 26 [2021-06-05 23:20:04,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:04,618 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 1245 transitions. [2021-06-05 23:20:04,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1245 transitions. [2021-06-05 23:20:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 23:20:04,621 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:04,621 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:04,621 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 23:20:04,621 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:04,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:04,622 INFO L82 PathProgramCache]: Analyzing trace with hash -294633458, now seen corresponding path program 3 times [2021-06-05 23:20:04,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:04,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560488611] [2021-06-05 23:20:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:04,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:04,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560488611] [2021-06-05 23:20:04,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560488611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:04,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266946734] [2021-06-05 23:20:04,870 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 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 [2021-06-05 23:20:04,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-05 23:20:04,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:04,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 23:20:04,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:05,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:05,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:05,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,028 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-05 23:20:05,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 23:20:05,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 23:20:05,142 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 23:20:05,148 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-05 23:20:05,154 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:05,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-06-05 23:20:05,200 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-06-05 23:20:05,207 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-06-05 23:20:05,214 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-06-05 23:20:05,220 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,241 INFO L628 ElimStorePlain]: treesize reduction 16, result has 67.3 percent of original size [2021-06-05 23:20:05,242 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 23:20:05,242 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:193, output treesize:33 [2021-06-05 23:20:05,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 23:20:05,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-05 23:20:05,313 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,318 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-06-05 23:20:05,319 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-06-05 23:20:05,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:20:05,319 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-06-05 23:20:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:05,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266946734] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:05,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:05,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2021-06-05 23:20:05,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733883572] [2021-06-05 23:20:05,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 23:20:05,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:05,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 23:20:05,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-06-05 23:20:05,329 INFO L87 Difference]: Start difference. First operand 403 states and 1245 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:05,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:05,665 INFO L93 Difference]: Finished difference Result 886 states and 2671 transitions. [2021-06-05 23:20:05,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 23:20:05,665 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 23:20:05,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:05,670 INFO L225 Difference]: With dead ends: 886 [2021-06-05 23:20:05,670 INFO L226 Difference]: Without dead ends: 768 [2021-06-05 23:20:05,670 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 376.8ms TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2021-06-05 23:20:05,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-06-05 23:20:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 427. [2021-06-05 23:20:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 3.096244131455399) internal successors, (1319), 426 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1319 transitions. [2021-06-05 23:20:05,686 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1319 transitions. Word has length 26 [2021-06-05 23:20:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:05,687 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 1319 transitions. [2021-06-05 23:20:05,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1319 transitions. [2021-06-05 23:20:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 23:20:05,688 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:05,688 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:05,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:05,905 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash 108055770, now seen corresponding path program 4 times [2021-06-05 23:20:05,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:05,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66360092] [2021-06-05 23:20:05,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:06,102 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:06,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66360092] [2021-06-05 23:20:06,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66360092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:06,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482517199] [2021-06-05 23:20:06,102 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 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 [2021-06-05 23:20:06,146 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:20:06,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:06,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 23:20:06,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:06,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:06,236 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:06,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,246 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-05 23:20:06,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:20:06,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 23:20:06,292 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,321 INFO L628 ElimStorePlain]: treesize reduction 30, result has 61.0 percent of original size [2021-06-05 23:20:06,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 23:20:06,322 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:47 [2021-06-05 23:20:06,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 23:20:06,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 23:20:06,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 23:20:06,489 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 23:20:06,498 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,611 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2021-06-05 23:20:06,612 INFO L628 ElimStorePlain]: treesize reduction 40, result has 81.6 percent of original size [2021-06-05 23:20:06,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:20:06,618 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:20:06,624 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,645 INFO L628 ElimStorePlain]: treesize reduction 142, result has 3.4 percent of original size [2021-06-05 23:20:06,646 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-06-05 23:20:06,646 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-06-05 23:20:06,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:20:06,646 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:273, output treesize:5 [2021-06-05 23:20:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:06,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482517199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:06,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:06,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-05 23:20:06,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968352391] [2021-06-05 23:20:06,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 23:20:06,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:06,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 23:20:06,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 23:20:06,659 INFO L87 Difference]: Start difference. First operand 427 states and 1319 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:06,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:06,755 INFO L93 Difference]: Finished difference Result 693 states and 2174 transitions. [2021-06-05 23:20:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 23:20:06,756 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 23:20:06,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:06,759 INFO L225 Difference]: With dead ends: 693 [2021-06-05 23:20:06,759 INFO L226 Difference]: Without dead ends: 604 [2021-06-05 23:20:06,760 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 210.5ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 23:20:06,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-06-05 23:20:06,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 431. [2021-06-05 23:20:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 430 states have (on average 3.109302325581395) internal successors, (1337), 430 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1337 transitions. [2021-06-05 23:20:06,772 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1337 transitions. Word has length 26 [2021-06-05 23:20:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:06,772 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 1337 transitions. [2021-06-05 23:20:06,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1337 transitions. [2021-06-05 23:20:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 23:20:06,774 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:06,774 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:06,998 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:06,998 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:06,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:06,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1494058166, now seen corresponding path program 5 times [2021-06-05 23:20:06,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:06,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957286424] [2021-06-05 23:20:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:07,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:07,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957286424] [2021-06-05 23:20:07,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957286424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:07,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827219274] [2021-06-05 23:20:07,029 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 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 [2021-06-05 23:20:07,079 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 23:20:07,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:07,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 23:20:07,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:07,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827219274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:07,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:07,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 23:20:07,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336267206] [2021-06-05 23:20:07,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 23:20:07,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:07,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 23:20:07,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-05 23:20:07,117 INFO L87 Difference]: Start difference. First operand 431 states and 1337 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:07,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:07,193 INFO L93 Difference]: Finished difference Result 1077 states and 3313 transitions. [2021-06-05 23:20:07,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 23:20:07,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 23:20:07,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:07,200 INFO L225 Difference]: With dead ends: 1077 [2021-06-05 23:20:07,200 INFO L226 Difference]: Without dead ends: 1071 [2021-06-05 23:20:07,200 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 24.9ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-06-05 23:20:07,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-06-05 23:20:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 723. [2021-06-05 23:20:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 3.3005540166204987) internal successors, (2383), 722 states have internal predecessors, (2383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2383 transitions. [2021-06-05 23:20:07,222 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2383 transitions. Word has length 28 [2021-06-05 23:20:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:07,222 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 2383 transitions. [2021-06-05 23:20:07,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2383 transitions. [2021-06-05 23:20:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 23:20:07,225 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:07,225 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:07,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:07,449 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:07,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:07,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1505385586, now seen corresponding path program 6 times [2021-06-05 23:20:07,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:07,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526252890] [2021-06-05 23:20:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:07,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:07,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526252890] [2021-06-05 23:20:07,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526252890] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:07,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818316535] [2021-06-05 23:20:07,482 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 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 [2021-06-05 23:20:07,515 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 23:20:07,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:07,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 23:20:07,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:07,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818316535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:07,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:07,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-06-05 23:20:07,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926415415] [2021-06-05 23:20:07,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 23:20:07,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:07,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 23:20:07,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 23:20:07,576 INFO L87 Difference]: Start difference. First operand 723 states and 2383 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:08,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:08,161 INFO L93 Difference]: Finished difference Result 3105 states and 9211 transitions. [2021-06-05 23:20:08,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 23:20:08,162 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 23:20:08,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:08,175 INFO L225 Difference]: With dead ends: 3105 [2021-06-05 23:20:08,175 INFO L226 Difference]: Without dead ends: 2785 [2021-06-05 23:20:08,176 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 316.4ms TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 23:20:08,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-06-05 23:20:08,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 704. [2021-06-05 23:20:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 703 states have (on average 3.3357041251778092) internal successors, (2345), 703 states have internal predecessors, (2345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2345 transitions. [2021-06-05 23:20:08,211 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2345 transitions. Word has length 28 [2021-06-05 23:20:08,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:08,212 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 2345 transitions. [2021-06-05 23:20:08,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2345 transitions. [2021-06-05 23:20:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-05 23:20:08,214 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:08,214 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:08,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:08,438 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:08,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:08,438 INFO L82 PathProgramCache]: Analyzing trace with hash 370873412, now seen corresponding path program 7 times [2021-06-05 23:20:08,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:08,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678631456] [2021-06-05 23:20:08,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:08,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:08,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678631456] [2021-06-05 23:20:08,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678631456] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:08,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548992647] [2021-06-05 23:20:08,466 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 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 [2021-06-05 23:20:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:08,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 23:20:08,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:08,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548992647] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:08,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:08,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-05 23:20:08,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335252102] [2021-06-05 23:20:08,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 23:20:08,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:08,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 23:20:08,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 23:20:08,543 INFO L87 Difference]: Start difference. First operand 704 states and 2345 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:08,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:08,874 INFO L93 Difference]: Finished difference Result 4417 states and 14303 transitions. [2021-06-05 23:20:08,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 23:20:08,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-06-05 23:20:08,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:08,896 INFO L225 Difference]: With dead ends: 4417 [2021-06-05 23:20:08,896 INFO L226 Difference]: Without dead ends: 3838 [2021-06-05 23:20:08,897 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 133.9ms TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2021-06-05 23:20:08,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-06-05 23:20:08,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2381. [2021-06-05 23:20:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2380 states have (on average 3.5752100840336136) internal successors, (8509), 2380 states have internal predecessors, (8509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 8509 transitions. [2021-06-05 23:20:08,979 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 8509 transitions. Word has length 29 [2021-06-05 23:20:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:08,979 INFO L482 AbstractCegarLoop]: Abstraction has 2381 states and 8509 transitions. [2021-06-05 23:20:08,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 8509 transitions. [2021-06-05 23:20:08,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-05 23:20:08,986 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:08,986 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:09,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:09,197 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:09,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:09,197 INFO L82 PathProgramCache]: Analyzing trace with hash 483537884, now seen corresponding path program 8 times [2021-06-05 23:20:09,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:09,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302879931] [2021-06-05 23:20:09,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:09,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:09,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302879931] [2021-06-05 23:20:09,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302879931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:09,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562262132] [2021-06-05 23:20:09,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:09,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:20:09,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:09,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 23:20:09,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:09,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562262132] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:09,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:09,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-05 23:20:09,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496586463] [2021-06-05 23:20:09,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 23:20:09,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:09,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 23:20:09,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 23:20:09,314 INFO L87 Difference]: Start difference. First operand 2381 states and 8509 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:09,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:09,570 INFO L93 Difference]: Finished difference Result 2863 states and 9841 transitions. [2021-06-05 23:20:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 23:20:09,570 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-06-05 23:20:09,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:09,584 INFO L225 Difference]: With dead ends: 2863 [2021-06-05 23:20:09,584 INFO L226 Difference]: Without dead ends: 2835 [2021-06-05 23:20:09,585 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 145.1ms TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2021-06-05 23:20:09,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-06-05 23:20:09,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2343. [2021-06-05 23:20:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2342 states have (on average 3.568317677198975) internal successors, (8357), 2342 states have internal predecessors, (8357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:09,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 8357 transitions. [2021-06-05 23:20:09,648 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 8357 transitions. Word has length 29 [2021-06-05 23:20:09,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:09,648 INFO L482 AbstractCegarLoop]: Abstraction has 2343 states and 8357 transitions. [2021-06-05 23:20:09,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 8357 transitions. [2021-06-05 23:20:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-06-05 23:20:09,654 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:09,654 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:09,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:09,877 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:09,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1924163208, now seen corresponding path program 9 times [2021-06-05 23:20:09,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:09,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727297637] [2021-06-05 23:20:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:20:09,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:09,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727297637] [2021-06-05 23:20:09,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727297637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:09,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809694350] [2021-06-05 23:20:09,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:09,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-05 23:20:09,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:09,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 23:20:09,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:20:10,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809694350] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:10,002 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:10,002 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-06-05 23:20:10,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912723298] [2021-06-05 23:20:10,003 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 23:20:10,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:10,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 23:20:10,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 23:20:10,004 INFO L87 Difference]: Start difference. First operand 2343 states and 8357 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:10,502 INFO L93 Difference]: Finished difference Result 5750 states and 19687 transitions. [2021-06-05 23:20:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 23:20:10,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-06-05 23:20:10,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:10,521 INFO L225 Difference]: With dead ends: 5750 [2021-06-05 23:20:10,521 INFO L226 Difference]: Without dead ends: 5702 [2021-06-05 23:20:10,522 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 239.8ms TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2021-06-05 23:20:10,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-06-05 23:20:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4398. [2021-06-05 23:20:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4398 states, 4397 states have (on average 3.625881282692745) internal successors, (15943), 4397 states have internal predecessors, (15943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 15943 transitions. [2021-06-05 23:20:10,665 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 15943 transitions. Word has length 31 [2021-06-05 23:20:10,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:10,665 INFO L482 AbstractCegarLoop]: Abstraction has 4398 states and 15943 transitions. [2021-06-05 23:20:10,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 15943 transitions. [2021-06-05 23:20:10,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:20:10,677 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:10,677 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:10,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-05 23:20:10,889 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:10,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:10,889 INFO L82 PathProgramCache]: Analyzing trace with hash -62749624, now seen corresponding path program 10 times [2021-06-05 23:20:10,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:10,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074637390] [2021-06-05 23:20:10,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:11,423 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-06-05 23:20:11,627 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2021-06-05 23:20:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:11,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:11,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074637390] [2021-06-05 23:20:11,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074637390] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:11,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541230959] [2021-06-05 23:20:11,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:11,867 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:20:11,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:11,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 23:20:11,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:12,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,207 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,214 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,249 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,258 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,267 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,276 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,286 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,297 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,306 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,316 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,326 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,334 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,346 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,356 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,365 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:20:12,373 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:12,701 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 23:20:12,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:12,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-05 23:20:12,709 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1105, output treesize:1089 [2021-06-05 23:20:13,043 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 23:20:13,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:20:13,313 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:13,723 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-05 23:20:13,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:13,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-05 23:20:13,743 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:14,135 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2021-06-05 23:20:14,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:14,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-06-05 23:20:14,160 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:14,594 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-06-05 23:20:14,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:14,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:20:14,622 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:14,994 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-05 23:20:14,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:15,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:20:15,015 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:15,410 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-05 23:20:15,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:15,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-06-05 23:20:15,428 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:15,802 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-06-05 23:20:15,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:15,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:20:15,826 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:16,204 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-06-05 23:20:16,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:16,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:20:16,245 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:16,608 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-06-05 23:20:16,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:16,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:20:16,626 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:17,015 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-06-05 23:20:17,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:17,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 23:20:17,047 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:17,417 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-05 23:20:17,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:17,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:17,434 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:17,780 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2021-06-05 23:20:17,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:17,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:20:17,796 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:18,121 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-05 23:20:18,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:18,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:20:18,148 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:18,494 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-06-05 23:20:18,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:18,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:20:18,531 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:18,865 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2021-06-05 23:20:18,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:18,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:20:18,888 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:19,221 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-05 23:20:19,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:19,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:19,244 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:19,609 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-06-05 23:20:19,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:19,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:19,629 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:19,930 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-06-05 23:20:19,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:19,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-06-05 23:20:19,948 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:20,241 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-06-05 23:20:20,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:20,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:20:20,258 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:20,547 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2021-06-05 23:20:20,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:20,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 23:20:20,567 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:20,855 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2021-06-05 23:20:20,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:20,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 23:20:20,872 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,119 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 126 [2021-06-05 23:20:21,120 INFO L628 ElimStorePlain]: treesize reduction 478, result has 44.5 percent of original size [2021-06-05 23:20:21,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 23:20:21,130 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:21,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:20:21,228 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:21,313 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-05 23:20:21,313 INFO L518 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2021-06-05 23:20:21,313 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-06-05 23:20:21,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:20:21,323 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:21,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 23:20:21,420 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,523 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-06-05 23:20:21,523 INFO L628 ElimStorePlain]: treesize reduction 81, result has 71.2 percent of original size [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-06-05 23:20:21,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-06-05 23:20:21,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:21,533 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:21,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:21,586 INFO L518 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2021-06-05 23:20:21,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:20:21,593 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:21,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:21,636 INFO L518 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2021-06-05 23:20:21,636 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-06-05 23:20:21,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:21,644 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:21,696 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-06-05 23:20:21,696 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-06-05 23:20:21,696 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-06-05 23:20:21,696 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-06-05 23:20:21,696 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-06-05 23:20:21,696 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-06-05 23:20:21,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-05 23:20:21,699 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 48 variables, input treesize:1137, output treesize:118 [2021-06-05 23:20:21,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:20:21,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:20:21,954 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,969 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-06-05 23:20:21,970 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 23:20:21,970 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-06-05 23:20:21,970 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-06-05 23:20:21,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:20:21,971 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:20:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:21,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541230959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:21,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:20:21,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 23:20:21,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989706360] [2021-06-05 23:20:21,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 23:20:21,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:20:21,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 23:20:21,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-06-05 23:20:21,980 INFO L87 Difference]: Start difference. First operand 4398 states and 15943 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:22,241 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-06-05 23:20:22,394 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-06-05 23:20:22,588 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-06-05 23:20:23,309 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-06-05 23:20:23,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:20:23,710 INFO L93 Difference]: Finished difference Result 5785 states and 20387 transitions. [2021-06-05 23:20:23,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 23:20:23,710 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:20:23,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:20:23,728 INFO L225 Difference]: With dead ends: 5785 [2021-06-05 23:20:23,729 INFO L226 Difference]: Without dead ends: 5742 [2021-06-05 23:20:23,729 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2453.7ms TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2021-06-05 23:20:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-06-05 23:20:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4565. [2021-06-05 23:20:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4565 states, 4564 states have (on average 3.612182296231376) internal successors, (16486), 4564 states have internal predecessors, (16486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 16486 transitions. [2021-06-05 23:20:23,862 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 16486 transitions. Word has length 33 [2021-06-05 23:20:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:20:23,862 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 16486 transitions. [2021-06-05 23:20:23,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:20:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 16486 transitions. [2021-06-05 23:20:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:20:23,873 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:20:23,873 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:20:24,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:24,085 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:20:24,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:20:24,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1133562818, now seen corresponding path program 11 times [2021-06-05 23:20:24,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:20:24,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387095169] [2021-06-05 23:20:24,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:20:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:20:24,682 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2021-06-05 23:20:25,002 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2021-06-05 23:20:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:20:25,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:20:25,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387095169] [2021-06-05 23:20:25,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387095169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:20:25,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890735343] [2021-06-05 23:20:25,287 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:20:25,322 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 23:20:25,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:20:25,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-05 23:20:25,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:20:25,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,603 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,610 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,618 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,625 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,633 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,640 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,648 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,656 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,664 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,671 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,678 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,687 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,694 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,700 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:20:25,708 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:25,981 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 23:20:25,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:25,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-05 23:20:25,988 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1073, output treesize:1057 [2021-06-05 23:20:26,335 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 23:20:26,831 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-06-05 23:20:27,554 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-05 23:20:28,231 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_90, v_prenex_72, v_prenex_94, v_prenex_93, v_prenex_70, v_prenex_91, v_prenex_76, v_prenex_54, v_prenex_97, v_prenex_75, v_prenex_53, v_prenex_96, v_prenex_73, v_prenex_57, v_prenex_79, v_prenex_56, v_prenex_78, v_prenex_61, A, v_prenex_82, v_prenex_60, B, v_prenex_81, v_prenex_87, v_prenex_64, v_prenex_85, v_prenex_63, v_prenex_84, v_prenex_69, v_prenex_67, v_prenex_66, v_prenex_88], 2=[v_C_16, v_prenex_83, v_prenex_71, v_prenex_92, v_prenex_80, v_prenex_65, v_prenex_86, v_prenex_74, v_prenex_95, v_prenex_62, v_prenex_58, v_prenex_68, v_prenex_89, v_prenex_55, v_prenex_77, v_prenex_59]} [2021-06-05 23:20:28,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:20:28,276 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:28,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:28,310 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:30,649 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 449 DAG size of output: 425 [2021-06-05 23:20:30,651 INFO L628 ElimStorePlain]: treesize reduction 592, result has 74.6 percent of original size [2021-06-05 23:20:30,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:20:30,682 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:31,683 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2021-06-05 23:20:31,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:31,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:20:31,711 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:31,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:31,742 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:32,643 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2021-06-05 23:20:32,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:32,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:20:32,680 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:32,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:32,703 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:33,613 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2021-06-05 23:20:33,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:33,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:20:33,634 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:34,508 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2021-06-05 23:20:34,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:34,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:20:34,552 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:34,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:20:34,575 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:35,404 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2021-06-05 23:20:35,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:35,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:20:35,425 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:36,265 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2021-06-05 23:20:36,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:36,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:36,297 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:37,083 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2021-06-05 23:20:37,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:37,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:20:37,108 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:37,914 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-06-05 23:20:37,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:37,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:20:37,936 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:38,751 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2021-06-05 23:20:38,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:38,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:20:38,775 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:39,577 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-05 23:20:39,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:39,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:20:39,598 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:40,397 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2021-06-05 23:20:40,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:40,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:20:40,419 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:41,193 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2021-06-05 23:20:41,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:41,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:20:41,229 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:41,976 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2021-06-05 23:20:41,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:41,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:20:41,998 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:42,753 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-06-05 23:20:42,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:42,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:20:42,774 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:43,507 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-05 23:20:43,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:43,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:20:43,531 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:44,282 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-05 23:20:44,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:44,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:20:44,306 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:44,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:44,333 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:45,044 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2021-06-05 23:20:45,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:45,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:20:45,071 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:45,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:20:45,092 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:45,818 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-06-05 23:20:45,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:45,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:20:45,842 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:46,575 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2021-06-05 23:20:46,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:46,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:46,600 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:46,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:20:46,627 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:47,283 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2021-06-05 23:20:47,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:47,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:47,308 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:47,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:20:47,334 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:47,978 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-06-05 23:20:47,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:47,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:47,998 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:48,722 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2021-06-05 23:20:48,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:48,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:48,749 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:48,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:20:48,777 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:49,414 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-05 23:20:49,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:49,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:20:49,439 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:49,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:20:49,459 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:50,075 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-05 23:20:50,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:50,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:20:50,101 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:50,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:20:50,122 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:50,761 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-06-05 23:20:50,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:50,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:20:50,793 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:50,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:20:50,814 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:51,405 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2021-06-05 23:20:51,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:51,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:20:51,435 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:51,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:20:51,456 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:52,013 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-06-05 23:20:52,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:52,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:52,043 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:52,629 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-06-05 23:20:52,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:52,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:20:52,658 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:52,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:20:52,677 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:53,190 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-06-05 23:20:53,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:53,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:53,215 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:53,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:20:53,234 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:53,729 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-05 23:20:53,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:53,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:20:53,755 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:53,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:20:53,775 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:20:54,248 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-05 23:20:54,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:54,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:54,275 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:54,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:54,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:54,300 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:54,778 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2021-06-05 23:20:54,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:54,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:54,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:54,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:54,804 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:54,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:54,827 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:55,289 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-06-05 23:20:55,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:55,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:20:55,312 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:55,781 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-05 23:20:55,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:55,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:55,804 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:55,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:55,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:55,842 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:56,274 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-06-05 23:20:56,274 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:56,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:56,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:56,297 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:56,726 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-05 23:20:56,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:56,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:56,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:56,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:56,750 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:56,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:56,781 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:57,199 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-05 23:20:57,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:57,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:57,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:57,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:57,221 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:57,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:57,240 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:57,655 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2021-06-05 23:20:57,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:57,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:57,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:57,676 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:58,074 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 23:20:58,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:58,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:20:58,095 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:58,499 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-05 23:20:58,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:58,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:58,518 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:58,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:58,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:58,535 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:58,909 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-06-05 23:20:58,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:58,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:20:58,927 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:59,309 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-06-05 23:20:59,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:59,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:59,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:59,329 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:59,696 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-06-05 23:20:59,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:20:59,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:20:59,716 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 23:20:59,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:20:59,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:20:59,735 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:00,088 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-06-05 23:21:00,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:00,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:21:00,106 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:00,459 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-06-05 23:21:00,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:00,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:00,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:00,479 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:00,830 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-06-05 23:21:00,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:00,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:00,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:00,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:00,848 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:00,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:00,863 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,192 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-06-05 23:21:01,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:01,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-05 23:21:01,212 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 48 variables, input treesize:2369, output treesize:345 [2021-06-05 23:21:01,487 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_100, v_prenex_102], 3=[C, v_prenex_98]} [2021-06-05 23:21:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:01,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:01,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-05 23:21:01,498 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:01,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:21:01,505 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,609 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-06-05 23:21:01,610 INFO L628 ElimStorePlain]: treesize reduction 81, result has 60.7 percent of original size [2021-06-05 23:21:01,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:21:01,616 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:01,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 23:21:01,663 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2021-06-05 23:21:01,702 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:01,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:01,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 23:21:01,707 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,740 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-06-05 23:21:01,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:21:01,743 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:253, output treesize:5 [2021-06-05 23:21:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:01,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890735343] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:01,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:21:01,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-05 23:21:01,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891386184] [2021-06-05 23:21:01,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:21:01,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:21:01,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:21:01,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:21:01,752 INFO L87 Difference]: Start difference. First operand 4565 states and 16486 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:02,341 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 23:21:02,592 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 23:21:03,379 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2021-06-05 23:21:03,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:21:03,831 INFO L93 Difference]: Finished difference Result 6000 states and 21119 transitions. [2021-06-05 23:21:03,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 23:21:03,831 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:21:03,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:21:03,847 INFO L225 Difference]: With dead ends: 6000 [2021-06-05 23:21:03,847 INFO L226 Difference]: Without dead ends: 5891 [2021-06-05 23:21:03,848 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 3901.4ms TimeCoverageRelationStatistics Valid=192, Invalid=998, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 23:21:03,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-06-05 23:21:03,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4605. [2021-06-05 23:21:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4605 states, 4604 states have (on average 3.607949609035621) internal successors, (16611), 4604 states have internal predecessors, (16611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 16611 transitions. [2021-06-05 23:21:03,959 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 16611 transitions. Word has length 33 [2021-06-05 23:21:03,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:21:03,960 INFO L482 AbstractCegarLoop]: Abstraction has 4605 states and 16611 transitions. [2021-06-05 23:21:03,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 16611 transitions. [2021-06-05 23:21:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:21:03,972 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:21:03,972 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:21:04,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:21:04,196 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:21:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:21:04,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1389073446, now seen corresponding path program 12 times [2021-06-05 23:21:04,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:21:04,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177630197] [2021-06-05 23:21:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:21:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:21:04,670 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2021-06-05 23:21:04,851 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2021-06-05 23:21:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:05,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:21:05,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177630197] [2021-06-05 23:21:05,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177630197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:05,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373440521] [2021-06-05 23:21:05,104 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:21:05,132 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 23:21:05,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:21:05,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 23:21:05,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:21:05,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:05,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:05,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:05,295 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:05,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:05,301 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:05,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:05,307 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:05,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:05,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:21:05,382 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-05 23:21:05,750 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-05 23:21:06,065 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_119, v_prenex_109, v_prenex_110, v_prenex_122, v_C_18, v_prenex_113, v_prenex_116, v_prenex_106], 3=[v_prenex_120, v_prenex_121, v_prenex_111, v_prenex_112, v_prenex_123, v_prenex_124, v_prenex_114, v_prenex_104, v_prenex_115, v_prenex_105, v_prenex_117, v_prenex_107, v_prenex_118, v_prenex_108, A, B]} [2021-06-05 23:21:06,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:06,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:06,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:06,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:06,114 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:06,740 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-06-05 23:21:06,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:06,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:06,758 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:06,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:06,774 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:07,336 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-06-05 23:21:07,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:07,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:07,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:07,362 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:07,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:07,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:07,376 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:07,921 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-06-05 23:21:07,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:07,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:07,939 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:07,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:07,953 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:08,512 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-05 23:21:08,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:08,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:08,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:08,528 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:08,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:08,542 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:09,058 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-06-05 23:21:09,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:09,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:09,076 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:09,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:09,093 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:09,628 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-05 23:21:09,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:09,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:09,644 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:09,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:09,658 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:10,166 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-06-05 23:21:10,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:10,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:10,182 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:10,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:10,196 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:10,719 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-06-05 23:21:10,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:10,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:10,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:10,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 23:21:10,734 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:10,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:10,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-05 23:21:10,746 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,211 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-05 23:21:11,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:11,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 43 [2021-06-05 23:21:11,226 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-05 23:21:11,237 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,593 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 69 [2021-06-05 23:21:11,594 INFO L628 ElimStorePlain]: treesize reduction 826, result has 31.9 percent of original size [2021-06-05 23:21:11,594 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-06-05 23:21:11,594 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-06-05 23:21:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:21:11,603 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:21:11,609 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-05 23:21:11,709 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:11,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 23:21:11,717 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,794 INFO L628 ElimStorePlain]: treesize reduction 169, result has 38.8 percent of original size [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_114 vanished before elimination [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_115 vanished before elimination [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_107 vanished before elimination [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_118 vanished before elimination [2021-06-05 23:21:11,794 INFO L518 ElimStorePlain]: Eliminatee v_prenex_108 vanished before elimination [2021-06-05 23:21:11,795 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:21:11,795 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:21:11,795 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:21:11,795 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 24 variables, input treesize:1345, output treesize:107 [2021-06-05 23:21:11,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:21:11,983 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:11,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:21:11,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:12,000 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 23:21:12,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_125 vanished before elimination [2021-06-05 23:21:12,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_126 vanished before elimination [2021-06-05 23:21:12,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-06-05 23:21:12,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:21:12,001 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:21:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:12,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373440521] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:12,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:21:12,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 23:21:12,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132907915] [2021-06-05 23:21:12,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 23:21:12,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:21:12,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 23:21:12,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-06-05 23:21:12,008 INFO L87 Difference]: Start difference. First operand 4605 states and 16611 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:12,611 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2021-06-05 23:21:13,164 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-06-05 23:21:13,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:21:13,635 INFO L93 Difference]: Finished difference Result 6946 states and 24274 transitions. [2021-06-05 23:21:13,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 23:21:13,635 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:21:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:21:13,650 INFO L225 Difference]: With dead ends: 6946 [2021-06-05 23:21:13,651 INFO L226 Difference]: Without dead ends: 6863 [2021-06-05 23:21:13,651 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2058.1ms TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 23:21:13,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6863 states. [2021-06-05 23:21:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 4778. [2021-06-05 23:21:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4777 states have (on average 3.6045635335984927) internal successors, (17219), 4777 states have internal predecessors, (17219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 17219 transitions. [2021-06-05 23:21:13,764 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 17219 transitions. Word has length 33 [2021-06-05 23:21:13,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:21:13,764 INFO L482 AbstractCegarLoop]: Abstraction has 4778 states and 17219 transitions. [2021-06-05 23:21:13,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 17219 transitions. [2021-06-05 23:21:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:21:13,774 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:21:13,774 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:21:13,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-06-05 23:21:13,989 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:21:13,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:21:13,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1709581408, now seen corresponding path program 13 times [2021-06-05 23:21:13,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:21:13,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020820121] [2021-06-05 23:21:13,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:21:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:21:14,346 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2021-06-05 23:21:14,474 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-06-05 23:21:14,792 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:14,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:21:14,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020820121] [2021-06-05 23:21:14,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020820121] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:14,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803814303] [2021-06-05 23:21:14,793 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 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 [2021-06-05 23:21:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:21:14,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:21:14,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:21:14,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:14,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:14,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:14,955 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:14,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:14,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:14,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:14,972 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:15,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:15,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:21:15,032 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:221, output treesize:217 [2021-06-05 23:21:15,322 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-05 23:21:15,766 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-05 23:21:16,575 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_141, v_prenex_131, v_prenex_142, v_prenex_132, v_prenex_144, v_prenex_145, v_prenex_135, v_prenex_147, v_prenex_136, v_prenex_148, v_prenex_138, v_prenex_139, v_prenex_128, v_prenex_129, A, B], 2=[v_C_20, v_prenex_140, v_prenex_130, v_prenex_143, v_prenex_133, v_prenex_134, v_prenex_146, v_prenex_137]} [2021-06-05 23:21:16,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:21:16,602 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:16,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:21:16,629 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:16,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:21:16,655 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:16,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:21:16,677 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:18,358 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2021-06-05 23:21:18,359 INFO L628 ElimStorePlain]: treesize reduction 422, result has 80.9 percent of original size [2021-06-05 23:21:18,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:21:18,379 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:18,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:21:18,398 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:19,201 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-06-05 23:21:19,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:19,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:21:19,219 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:19,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:21:19,241 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:19,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:21:19,259 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:19,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:21:19,272 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:20,704 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-06-05 23:21:20,705 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-05 23:21:20,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:21:20,737 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:20,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:21:20,752 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:21,439 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-06-05 23:21:21,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:21,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:21:21,458 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:21,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:21:21,491 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:21,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:21:21,517 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:21,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:21:21,541 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:22,331 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 23:21:22,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:22,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:21:22,351 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:22,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:21:22,370 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:22,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:21:22,389 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:22,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:21:22,404 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,042 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 23:21:23,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:23,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:21:23,064 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:21:23,085 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:21:23,106 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:21:23,126 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,786 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-05 23:21:23,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:23,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:21:23,810 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:21:23,835 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:21:23,858 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:23,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:21:23,881 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:24,592 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-06-05 23:21:24,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:24,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:21:24,616 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:24,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:21:24,642 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:24,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:21:24,666 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:24,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:21:24,686 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:25,318 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-05 23:21:25,319 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:25,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:21:25,342 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:25,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:21:25,371 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:25,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:21:25,394 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:25,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:21:25,411 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:26,009 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 23:21:26,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:26,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:21:26,033 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:26,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:21:26,051 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:26,625 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 23:21:26,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:26,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:21:26,647 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:26,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:21:26,663 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:27,212 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-06-05 23:21:27,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:27,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:21:27,236 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:27,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:21:27,253 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:27,823 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-05 23:21:27,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:27,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:21:27,847 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:27,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:21:27,866 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:28,416 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-06-05 23:21:28,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:28,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:21:28,437 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:28,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:21:28,461 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:28,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:21:28,483 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:28,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:21:28,504 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:29,062 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-06-05 23:21:29,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:29,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:21:29,083 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:29,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:21:29,106 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:29,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:21:29,126 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:29,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:21:29,143 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:21:29,678 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-05 23:21:29,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:29,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:29,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:29,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:29,699 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:29,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:29,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:29,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:29,721 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:29,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:29,750 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:29,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:29,771 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:30,242 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 23:21:30,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:30,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:30,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:30,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:30,265 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:30,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:21:30,286 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:30,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:21:30,308 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:30,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:30,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:30,327 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:30,766 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-05 23:21:30,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:30,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:21:30,789 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:30,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:21:30,810 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:31,243 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-05 23:21:31,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:31,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:31,266 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:31,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:31,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:31,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:31,288 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:31,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:31,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:31,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:31,313 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:31,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:31,333 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:31,736 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-06-05 23:21:31,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:31,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:21:31,780 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:31,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:21:31,799 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,203 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2021-06-05 23:21:32,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:32,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:32,222 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:32,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:32,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:32,243 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:32,268 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:32,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:32,289 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,673 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-05 23:21:32,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:32,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:32,693 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:32,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:32,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:32,714 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:21:32,734 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:32,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:32,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:32,754 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:33,098 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-05 23:21:33,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:33,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:33,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:33,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:33,118 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:33,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:21:33,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 23:21:33,135 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:33,472 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-05 23:21:33,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:33,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 15 xjuncts. [2021-06-05 23:21:33,488 INFO L247 ElimStorePlain]: Needed 79 recursive calls to eliminate 24 variables, input treesize:2273, output treesize:378 [2021-06-05 23:21:33,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:21:33,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:33,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:21:33,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:33,680 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-06-05 23:21:33,680 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-05 23:21:33,681 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-06-05 23:21:33,681 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-06-05 23:21:33,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:21:33,681 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:21:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:33,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803814303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:33,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:21:33,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 23:21:33,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375826767] [2021-06-05 23:21:33,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:21:33,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:21:33,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:21:33,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:21:33,689 INFO L87 Difference]: Start difference. First operand 4778 states and 17219 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:34,127 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2021-06-05 23:21:34,549 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-05 23:21:34,908 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2021-06-05 23:21:35,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:21:35,267 INFO L93 Difference]: Finished difference Result 6706 states and 23504 transitions. [2021-06-05 23:21:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 23:21:35,267 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:21:35,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:21:35,284 INFO L225 Difference]: With dead ends: 6706 [2021-06-05 23:21:35,285 INFO L226 Difference]: Without dead ends: 6489 [2021-06-05 23:21:35,285 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2370.4ms TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2021-06-05 23:21:35,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2021-06-05 23:21:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 4829. [2021-06-05 23:21:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 4828 states have (on average 3.5925849212924605) internal successors, (17345), 4828 states have internal predecessors, (17345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 17345 transitions. [2021-06-05 23:21:35,399 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 17345 transitions. Word has length 33 [2021-06-05 23:21:35,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:21:35,399 INFO L482 AbstractCegarLoop]: Abstraction has 4829 states and 17345 transitions. [2021-06-05 23:21:35,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 17345 transitions. [2021-06-05 23:21:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:21:35,410 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:21:35,410 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:21:35,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-06-05 23:21:35,625 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:21:35,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:21:35,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1839447846, now seen corresponding path program 14 times [2021-06-05 23:21:35,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:21:35,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735689921] [2021-06-05 23:21:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:21:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:21:36,066 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2021-06-05 23:21:36,229 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2021-06-05 23:21:36,416 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2021-06-05 23:21:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:36,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:21:36,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735689921] [2021-06-05 23:21:36,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735689921] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:36,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673327723] [2021-06-05 23:21:36,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:21:36,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:21:36,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:21:36,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:21:36,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:21:36,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:36,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:36,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:36,715 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:36,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:36,720 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:36,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:21:36,725 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:36,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:36,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:21:36,793 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-05 23:21:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:36,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:36,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:36,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:36,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:36,980 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:37,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:37,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:37,060 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:37,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:37,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:21:37,143 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:37,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:37,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:21:37,216 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-05 23:21:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:37,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:21:37,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:38,184 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-06-05 23:21:38,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:38,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:38,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:21:38,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:38,614 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-06-05 23:21:38,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:38,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:38,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:38,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:21:38,634 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:38,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:21:38,649 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:39,047 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-06-05 23:21:39,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:39,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:21:39,062 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:39,446 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-06-05 23:21:39,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:39,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2021-06-05 23:21:39,463 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-05 23:21:39,478 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:39,848 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 137 [2021-06-05 23:21:39,848 INFO L628 ElimStorePlain]: treesize reduction 592, result has 50.5 percent of original size [2021-06-05 23:21:39,848 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-06-05 23:21:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:39,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 23:21:39,857 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,035 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2021-06-05 23:21:40,035 INFO L628 ElimStorePlain]: treesize reduction 166, result has 70.5 percent of original size [2021-06-05 23:21:40,036 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-06-05 23:21:40,036 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-06-05 23:21:40,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:21:40,043 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:40,118 INFO L518 ElimStorePlain]: Eliminatee v_prenex_164 vanished before elimination [2021-06-05 23:21:40,118 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-06-05 23:21:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 23:21:40,127 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,210 INFO L628 ElimStorePlain]: treesize reduction 175, result has 50.0 percent of original size [2021-06-05 23:21:40,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:21:40,215 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:40,245 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-06-05 23:21:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:40,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 23:21:40,250 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee v_prenex_167 vanished before elimination [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee v_prenex_168 vanished before elimination [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee v_prenex_169 vanished before elimination [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:21:40,276 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:21:40,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:21:40,277 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 24 variables, input treesize:1361, output treesize:107 [2021-06-05 23:21:40,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:21:40,519 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:21:40,523 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,537 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 23:21:40,537 INFO L518 ElimStorePlain]: Eliminatee v_prenex_177 vanished before elimination [2021-06-05 23:21:40,538 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-06-05 23:21:40,538 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-06-05 23:21:40,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:21:40,538 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:21:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:40,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673327723] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:40,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:21:40,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 23:21:40,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001798027] [2021-06-05 23:21:40,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 23:21:40,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:21:40,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 23:21:40,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-06-05 23:21:40,545 INFO L87 Difference]: Start difference. First operand 4829 states and 17345 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:40,698 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-06-05 23:21:40,980 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2021-06-05 23:21:41,255 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2021-06-05 23:21:41,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:21:41,554 INFO L93 Difference]: Finished difference Result 6215 states and 21916 transitions. [2021-06-05 23:21:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 23:21:41,554 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:21:41,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:21:41,570 INFO L225 Difference]: With dead ends: 6215 [2021-06-05 23:21:41,571 INFO L226 Difference]: Without dead ends: 6132 [2021-06-05 23:21:41,572 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1622.6ms TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-06-05 23:21:41,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2021-06-05 23:21:41,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 4865. [2021-06-05 23:21:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4865 states, 4864 states have (on average 3.5886101973684212) internal successors, (17455), 4864 states have internal predecessors, (17455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 17455 transitions. [2021-06-05 23:21:41,679 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 17455 transitions. Word has length 33 [2021-06-05 23:21:41,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:21:41,680 INFO L482 AbstractCegarLoop]: Abstraction has 4865 states and 17455 transitions. [2021-06-05 23:21:41,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:21:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 17455 transitions. [2021-06-05 23:21:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:21:41,690 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:21:41,690 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:21:41,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable417 [2021-06-05 23:21:41,913 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:21:41,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:21:41,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1784385830, now seen corresponding path program 15 times [2021-06-05 23:21:41,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:21:41,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121189603] [2021-06-05 23:21:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:21:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:21:42,316 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2021-06-05 23:21:42,503 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2021-06-05 23:21:42,695 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2021-06-05 23:21:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:21:42,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:21:42,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121189603] [2021-06-05 23:21:42,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121189603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:21:42,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059509790] [2021-06-05 23:21:42,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:21:42,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 23:21:42,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:21:42,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 23:21:42,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:21:43,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:43,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:43,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:43,013 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:21:43,017 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:43,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:21:43,089 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:237, output treesize:233 [2021-06-05 23:21:43,236 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:21:43,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:21:43,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,252 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:21:43,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:21:43,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,269 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:21:43,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:21:43,270 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,283 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:21:43,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:21:43,285 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:43,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:43,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-05 23:21:43,369 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:301, output treesize:297 [2021-06-05 23:21:43,561 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-05 23:21:43,752 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-05 23:21:44,290 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-05 23:21:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:45,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:45,282 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:21:45,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-06-05 23:21:45,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:46,211 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2021-06-05 23:21:46,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:46,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:46,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:46,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:46,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 98 [2021-06-05 23:21:46,345 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-06-05 23:21:48,245 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 678 DAG size of output: 664 [2021-06-05 23:21:48,246 INFO L628 ElimStorePlain]: treesize reduction 135, result has 94.2 percent of original size [2021-06-05 23:21:48,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:48,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:48,320 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:21:48,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 59 [2021-06-05 23:21:48,324 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:49,306 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 667 [2021-06-05 23:21:49,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:49,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:49,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:49,380 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:21:49,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 66 [2021-06-05 23:21:49,385 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:50,360 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2021-06-05 23:21:50,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:50,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:50,430 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:50,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 97 [2021-06-05 23:21:50,461 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-06-05 23:21:53,456 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 682 DAG size of output: 660 [2021-06-05 23:21:53,457 INFO L628 ElimStorePlain]: treesize reduction 178, result has 92.6 percent of original size [2021-06-05 23:21:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:53,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:53,518 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:53,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 110 [2021-06-05 23:21:53,575 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-06-05 23:21:55,633 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 665 DAG size of output: 644 [2021-06-05 23:21:55,635 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.9 percent of original size [2021-06-05 23:21:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:55,709 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:21:55,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-06-05 23:21:55,723 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:56,792 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 650 [2021-06-05 23:21:56,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:56,863 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:21:56,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 66 [2021-06-05 23:21:56,867 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:57,847 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 661 [2021-06-05 23:21:57,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:57,922 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:21:57,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-06-05 23:21:57,926 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:21:58,933 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 662 [2021-06-05 23:21:58,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:21:59,003 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:21:59,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 125 [2021-06-05 23:21:59,036 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2021-06-05 23:22:02,095 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 669 DAG size of output: 640 [2021-06-05 23:22:02,096 INFO L628 ElimStorePlain]: treesize reduction 204, result has 91.4 percent of original size [2021-06-05 23:22:02,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:02,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:02,166 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:02,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 63 [2021-06-05 23:22:02,173 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-06-05 23:22:04,172 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 645 DAG size of output: 643 [2021-06-05 23:22:04,173 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.1 percent of original size [2021-06-05 23:22:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:04,242 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:04,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 55 [2021-06-05 23:22:04,248 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-06-05 23:22:06,239 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 652 DAG size of output: 648 [2021-06-05 23:22:06,240 INFO L628 ElimStorePlain]: treesize reduction 44, result has 98.0 percent of original size [2021-06-05 23:22:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:06,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:06,304 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:06,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 90 [2021-06-05 23:22:06,374 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2021-06-05 23:22:08,399 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 651 DAG size of output: 637 [2021-06-05 23:22:08,400 INFO L628 ElimStorePlain]: treesize reduction 169, result has 92.7 percent of original size [2021-06-05 23:22:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:08,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:08,463 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:08,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-06-05 23:22:08,491 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2021-06-05 23:22:10,542 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 634 DAG size of output: 622 [2021-06-05 23:22:10,543 INFO L628 ElimStorePlain]: treesize reduction 139, result has 93.8 percent of original size [2021-06-05 23:22:10,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:10,619 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:10,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 59 [2021-06-05 23:22:10,626 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-06-05 23:22:11,672 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 628 [2021-06-05 23:22:11,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:11,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:11,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:11,734 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:11,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 115 [2021-06-05 23:22:11,768 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2021-06-05 23:22:15,050 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 620 DAG size of output: 613 [2021-06-05 23:22:15,051 INFO L628 ElimStorePlain]: treesize reduction 102, result has 95.3 percent of original size [2021-06-05 23:22:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:15,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:15,120 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:15,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 63 [2021-06-05 23:22:15,127 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 23:22:16,194 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 615 [2021-06-05 23:22:16,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:16,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:16,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:16,264 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:16,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-06-05 23:22:16,268 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:17,278 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-05 23:22:17,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:17,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:17,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 90 [2021-06-05 23:22:17,395 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2021-06-05 23:22:19,586 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 610 DAG size of output: 605 [2021-06-05 23:22:19,587 INFO L628 ElimStorePlain]: treesize reduction 46, result has 97.8 percent of original size [2021-06-05 23:22:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:19,653 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:19,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 90 [2021-06-05 23:22:19,700 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 3 xjuncts. [2021-06-05 23:22:21,898 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 611 DAG size of output: 595 [2021-06-05 23:22:21,899 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.4 percent of original size [2021-06-05 23:22:21,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:21,969 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:21,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 48 [2021-06-05 23:22:21,973 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:23,069 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 598 [2021-06-05 23:22:23,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:23,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:23,148 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:23,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 56 [2021-06-05 23:22:23,152 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:24,254 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 598 [2021-06-05 23:22:24,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:24,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:24,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:24,317 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:24,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 98 [2021-06-05 23:22:24,357 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-06-05 23:22:26,630 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 606 DAG size of output: 586 [2021-06-05 23:22:26,631 INFO L628 ElimStorePlain]: treesize reduction 201, result has 91.0 percent of original size [2021-06-05 23:22:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:26,697 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:26,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 75 [2021-06-05 23:22:26,735 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 6 xjuncts. [2021-06-05 23:22:28,992 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 589 DAG size of output: 574 [2021-06-05 23:22:28,993 INFO L628 ElimStorePlain]: treesize reduction 211, result has 90.5 percent of original size [2021-06-05 23:22:29,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:29,066 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:29,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-06-05 23:22:29,070 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:30,181 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 577 [2021-06-05 23:22:30,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:30,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:30,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:30,245 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:30,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-06-05 23:22:30,287 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-06-05 23:22:33,756 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 579 DAG size of output: 564 [2021-06-05 23:22:33,757 INFO L628 ElimStorePlain]: treesize reduction 118, result has 94.4 percent of original size [2021-06-05 23:22:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:33,822 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:33,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-06-05 23:22:33,826 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:35,007 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-05 23:22:35,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:35,073 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:35,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 98 [2021-06-05 23:22:35,182 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 5 xjuncts. [2021-06-05 23:22:38,755 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 584 DAG size of output: 558 [2021-06-05 23:22:38,756 INFO L628 ElimStorePlain]: treesize reduction 341, result has 85.4 percent of original size [2021-06-05 23:22:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:38,822 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:38,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 66 [2021-06-05 23:22:38,826 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:39,959 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-05 23:22:39,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:39,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:40,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:40,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 125 [2021-06-05 23:22:40,053 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2021-06-05 23:22:42,448 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 577 DAG size of output: 549 [2021-06-05 23:22:42,449 INFO L628 ElimStorePlain]: treesize reduction 236, result has 89.4 percent of original size [2021-06-05 23:22:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:42,515 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:42,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-06-05 23:22:42,520 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:43,731 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-05 23:22:43,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:43,800 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:43,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-06-05 23:22:43,804 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:44,967 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 557 [2021-06-05 23:22:44,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:44,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:44,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:45,026 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:45,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 90 [2021-06-05 23:22:45,072 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-06-05 23:22:47,434 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 556 DAG size of output: 546 [2021-06-05 23:22:47,435 INFO L628 ElimStorePlain]: treesize reduction 91, result has 95.6 percent of original size [2021-06-05 23:22:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:47,520 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:47,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-06-05 23:22:47,524 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:48,710 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-05 23:22:48,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:48,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:48,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:48,779 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:48,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-06-05 23:22:48,783 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:49,954 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 551 [2021-06-05 23:22:49,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:49,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:50,005 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:50,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 98 [2021-06-05 23:22:50,054 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2021-06-05 23:22:52,481 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 568 DAG size of output: 539 [2021-06-05 23:22:52,482 INFO L628 ElimStorePlain]: treesize reduction 265, result has 88.3 percent of original size [2021-06-05 23:22:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:52,539 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:52,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-06-05 23:22:52,587 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-06-05 23:22:54,964 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 545 DAG size of output: 526 [2021-06-05 23:22:54,966 INFO L628 ElimStorePlain]: treesize reduction 185, result has 91.4 percent of original size [2021-06-05 23:22:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:55,033 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:55,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 63 [2021-06-05 23:22:55,039 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:56,277 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 531 [2021-06-05 23:22:56,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:56,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:56,343 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:22:56,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 48 [2021-06-05 23:22:56,347 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:22:57,583 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 535 [2021-06-05 23:22:57,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:57,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:57,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:22:57,643 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:22:57,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 98 [2021-06-05 23:22:57,671 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2021-06-05 23:23:00,214 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 538 DAG size of output: 523 [2021-06-05 23:23:00,215 INFO L628 ElimStorePlain]: treesize reduction 174, result has 92.0 percent of original size [2021-06-05 23:23:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:00,275 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:00,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 90 [2021-06-05 23:23:00,329 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 6 xjuncts. [2021-06-05 23:23:02,871 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 533 DAG size of output: 509 [2021-06-05 23:23:02,872 INFO L628 ElimStorePlain]: treesize reduction 292, result has 87.0 percent of original size [2021-06-05 23:23:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:02,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:02,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 84 [2021-06-05 23:23:02,964 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2021-06-05 23:23:05,443 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 512 DAG size of output: 500 [2021-06-05 23:23:05,444 INFO L628 ElimStorePlain]: treesize reduction 130, result has 93.7 percent of original size [2021-06-05 23:23:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:05,502 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:05,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 75 [2021-06-05 23:23:05,518 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-05 23:23:07,924 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 497 DAG size of output: 490 [2021-06-05 23:23:07,925 INFO L628 ElimStorePlain]: treesize reduction 69, result has 96.5 percent of original size [2021-06-05 23:23:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:07,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:07,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 98 [2021-06-05 23:23:08,007 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-06-05 23:23:10,462 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 495 DAG size of output: 477 [2021-06-05 23:23:10,464 INFO L628 ElimStorePlain]: treesize reduction 240, result has 88.8 percent of original size [2021-06-05 23:23:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:10,534 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:23:10,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2021-06-05 23:23:10,538 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:11,739 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 476 [2021-06-05 23:23:11,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:11,812 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 23:23:11,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 59 [2021-06-05 23:23:11,816 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:13,077 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 481 [2021-06-05 23:23:13,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:13,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:13,129 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:13,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-06-05 23:23:13,150 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-06-05 23:23:15,513 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2021-06-05 23:23:15,514 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-05 23:23:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:15,570 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:15,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 97 [2021-06-05 23:23:15,598 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 4 xjuncts. [2021-06-05 23:23:19,201 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 480 DAG size of output: 457 [2021-06-05 23:23:19,202 INFO L628 ElimStorePlain]: treesize reduction 210, result has 89.9 percent of original size [2021-06-05 23:23:19,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 48 dim-1 vars, End of recursive call: 24 dim-0 vars, and 24 xjuncts. [2021-06-05 23:23:19,380 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 72 variables, input treesize:2209, output treesize:1876 [2021-06-05 23:23:19,855 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 98 [2021-06-05 23:23:20,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:20,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:20,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:20,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:23:20,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:20,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:20,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:23:20,874 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:20,957 INFO L628 ElimStorePlain]: treesize reduction 111, result has 45.0 percent of original size [2021-06-05 23:23:20,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:20,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:20,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:23:20,962 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:20,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:20,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:23:20,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:21,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:21,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:21,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:21,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:23:21,009 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:21,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:21,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:21,027 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-06-05 23:23:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:21,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059509790] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:21,032 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:23:21,032 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 23:23:21,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215767955] [2021-06-05 23:23:21,033 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 23:23:21,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:23:21,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 23:23:21,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-06-05 23:23:21,033 INFO L87 Difference]: Start difference. First operand 4865 states and 17455 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:21,446 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2021-06-05 23:23:21,750 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-06-05 23:23:22,027 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-05 23:23:22,662 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-06-05 23:23:22,959 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-06-05 23:23:23,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:23:23,158 INFO L93 Difference]: Finished difference Result 7016 states and 24575 transitions. [2021-06-05 23:23:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 23:23:23,159 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:23:23,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:23:23,173 INFO L225 Difference]: With dead ends: 7016 [2021-06-05 23:23:23,173 INFO L226 Difference]: Without dead ends: 6825 [2021-06-05 23:23:23,174 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3671.1ms TimeCoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-06-05 23:23:23,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2021-06-05 23:23:23,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 5010. [2021-06-05 23:23:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5010 states, 5009 states have (on average 3.577560391295668) internal successors, (17920), 5009 states have internal predecessors, (17920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 17920 transitions. [2021-06-05 23:23:23,284 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 17920 transitions. Word has length 33 [2021-06-05 23:23:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:23:23,285 INFO L482 AbstractCegarLoop]: Abstraction has 5010 states and 17920 transitions. [2021-06-05 23:23:23,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 17920 transitions. [2021-06-05 23:23:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:23:23,295 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:23:23,295 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:23:23,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable471,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:23:23,509 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:23:23,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:23:23,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1751058778, now seen corresponding path program 16 times [2021-06-05 23:23:23,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:23:23,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35727730] [2021-06-05 23:23:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:23:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:23:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:24,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:23:24,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35727730] [2021-06-05 23:23:24,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35727730] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:24,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094592628] [2021-06-05 23:23:24,186 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:23:24,213 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:23:24,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:23:24,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:23:24,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:23:24,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:23:24,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:23:24,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:23:24,349 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:23:24,354 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:24,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:23:24,429 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-05 23:23:24,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:24,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:24,544 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:24,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:24,622 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:24,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:24,702 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:24,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:24,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:24,807 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:24,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:24,882 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:23:24,882 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-05 23:23:25,181 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 23:23:25,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:23:25,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:23:25,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 23:23:25,224 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,505 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-06-05 23:23:25,506 INFO L628 ElimStorePlain]: treesize reduction 234, result has 72.4 percent of original size [2021-06-05 23:23:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:23:25,514 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 23:23:25,520 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 23:23:25,525 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,644 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-05 23:23:25,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:23:25,650 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 23:23:25,655 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,761 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-05 23:23:25,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:23:25,767 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:25,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 23:23:25,771 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:25,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:25,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 23:23:25,867 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:909, output treesize:443 [2021-06-05 23:23:26,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:23:26,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:26,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:23:26,452 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:26,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:23:26,473 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:26,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:23:26,488 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:27,489 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-06-05 23:23:27,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:27,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:23:27,505 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:27,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:23:27,516 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:27,877 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 5 [2021-06-05 23:23:27,878 INFO L628 ElimStorePlain]: treesize reduction 1657, result has 0.3 percent of original size [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_260 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_272 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_261 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_273 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_274 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_264 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_275 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-06-05 23:23:27,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-06-05 23:23:27,879 INFO L518 ElimStorePlain]: Eliminatee v_prenex_267 vanished before elimination [2021-06-05 23:23:27,879 INFO L518 ElimStorePlain]: Eliminatee v_prenex_268 vanished before elimination [2021-06-05 23:23:27,879 INFO L518 ElimStorePlain]: Eliminatee v_prenex_269 vanished before elimination [2021-06-05 23:23:27,879 INFO L518 ElimStorePlain]: Eliminatee v_prenex_258 vanished before elimination [2021-06-05 23:23:27,879 INFO L518 ElimStorePlain]: Eliminatee v_prenex_259 vanished before elimination [2021-06-05 23:23:27,879 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:23:27,879 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:23:27,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:27,879 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-06-05 23:23:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:27,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094592628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:27,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:23:27,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 23:23:27,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006756717] [2021-06-05 23:23:27,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 23:23:27,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:23:27,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 23:23:27,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-06-05 23:23:27,892 INFO L87 Difference]: Start difference. First operand 5010 states and 17920 transitions. Second operand has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:28,247 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-06-05 23:23:28,490 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2021-06-05 23:23:28,661 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 23:23:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:23:29,083 INFO L93 Difference]: Finished difference Result 6698 states and 23616 transitions. [2021-06-05 23:23:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 23:23:29,083 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:23:29,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:23:29,093 INFO L225 Difference]: With dead ends: 6698 [2021-06-05 23:23:29,093 INFO L226 Difference]: Without dead ends: 6550 [2021-06-05 23:23:29,094 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1827.1ms TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-06-05 23:23:29,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2021-06-05 23:23:29,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 5024. [2021-06-05 23:23:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 5023 states have (on average 3.580728648218196) internal successors, (17986), 5023 states have internal predecessors, (17986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 17986 transitions. [2021-06-05 23:23:29,204 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 17986 transitions. Word has length 33 [2021-06-05 23:23:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:23:29,205 INFO L482 AbstractCegarLoop]: Abstraction has 5024 states and 17986 transitions. [2021-06-05 23:23:29,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 17986 transitions. [2021-06-05 23:23:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:23:29,216 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:23:29,216 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:23:29,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:23:29,429 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:23:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:23:29,429 INFO L82 PathProgramCache]: Analyzing trace with hash -320803294, now seen corresponding path program 17 times [2021-06-05 23:23:29,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:23:29,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867965637] [2021-06-05 23:23:29,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:23:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:23:30,056 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 39 [2021-06-05 23:23:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:30,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:23:30,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867965637] [2021-06-05 23:23:30,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867965637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:30,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982326801] [2021-06-05 23:23:30,155 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 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 [2021-06-05 23:23:30,216 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 23:23:30,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:23:30,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-05 23:23:30,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:23:30,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:23:30,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:30,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 23:23:30,744 INFO L446 ElimStorePlain]: Different costs {1=[v_C_28], 3=[A, B]} [2021-06-05 23:23:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,794 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,806 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,819 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,830 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,844 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,857 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,870 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,883 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,904 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,916 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,928 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,941 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,954 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:30,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:30,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:30,964 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,322 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-05 23:23:31,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:31,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,332 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,341 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,351 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,361 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,372 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,382 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,392 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,402 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,412 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,423 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,433 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,443 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,453 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,463 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:31,473 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:31,481 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,707 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 23:23:31,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-05 23:23:31,717 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-05 23:23:31,726 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 23:23:31,740 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 23:23:31,750 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 23:23:31,773 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2021-06-05 23:23:31,787 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 23:23:31,800 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 23:23:31,813 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-06-05 23:23:31,827 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-05 23:23:31,841 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 23:23:31,854 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-05 23:23:31,866 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2021-06-05 23:23:31,878 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 23:23:31,890 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 23:23:31,902 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:31,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2021-06-05 23:23:31,909 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:31,994 INFO L628 ElimStorePlain]: treesize reduction 236, result has 35.0 percent of original size [2021-06-05 23:23:31,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:23:31,995 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 3 variables, input treesize:1425, output treesize:127 [2021-06-05 23:23:32,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:23:32,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:32,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:23:32,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:32,265 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 23:23:32,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_276 vanished before elimination [2021-06-05 23:23:32,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_277 vanished before elimination [2021-06-05 23:23:32,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_278 vanished before elimination [2021-06-05 23:23:32,266 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:32,266 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:23:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:32,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982326801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:32,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:23:32,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-05 23:23:32,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902301603] [2021-06-05 23:23:32,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:23:32,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:23:32,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:23:32,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:23:32,272 INFO L87 Difference]: Start difference. First operand 5024 states and 17986 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:33,134 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2021-06-05 23:23:33,343 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2021-06-05 23:23:33,722 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-06-05 23:23:34,365 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2021-06-05 23:23:34,636 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-05 23:23:34,970 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-06-05 23:23:35,309 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-06-05 23:23:35,503 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-06-05 23:23:35,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:23:35,860 INFO L93 Difference]: Finished difference Result 9838 states and 33027 transitions. [2021-06-05 23:23:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 23:23:35,860 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:23:35,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:23:35,875 INFO L225 Difference]: With dead ends: 9838 [2021-06-05 23:23:35,875 INFO L226 Difference]: Without dead ends: 9476 [2021-06-05 23:23:35,876 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 3305.3ms TimeCoverageRelationStatistics Valid=445, Invalid=1811, Unknown=0, NotChecked=0, Total=2256 [2021-06-05 23:23:35,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9476 states. [2021-06-05 23:23:35,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9476 to 5662. [2021-06-05 23:23:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5662 states, 5661 states have (on average 3.5786963434022256) internal successors, (20259), 5661 states have internal predecessors, (20259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 20259 transitions. [2021-06-05 23:23:35,991 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 20259 transitions. Word has length 33 [2021-06-05 23:23:35,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:23:35,992 INFO L482 AbstractCegarLoop]: Abstraction has 5662 states and 20259 transitions. [2021-06-05 23:23:35,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 20259 transitions. [2021-06-05 23:23:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:23:36,004 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:23:36,004 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:23:36,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1258,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:23:36,226 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:23:36,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:23:36,226 INFO L82 PathProgramCache]: Analyzing trace with hash 875509148, now seen corresponding path program 18 times [2021-06-05 23:23:36,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:23:36,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912701293] [2021-06-05 23:23:36,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:23:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:23:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:36,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:23:36,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912701293] [2021-06-05 23:23:36,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912701293] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:36,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340880272] [2021-06-05 23:23:36,935 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 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 [2021-06-05 23:23:36,971 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 23:23:36,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:23:36,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:23:36,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:23:37,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:23:37,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:37,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:37,078 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:37,078 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:23:38,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,210 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,222 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,234 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,247 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,257 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,267 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,277 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,287 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,300 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,314 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,325 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,337 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,349 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,364 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,377 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,391 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,409 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,430 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,444 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,463 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,476 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,491 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,506 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,536 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,552 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,570 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:23:38,604 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,621 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,639 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-05 23:23:38,658 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 23:23:38,691 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:38,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:23:38,721 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,466 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 265 [2021-06-05 23:23:40,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:40,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:23:40,521 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:23:40,562 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:40,600 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:23:40,639 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:40,675 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:23:40,718 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:23:40,751 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:23:40,786 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:23:40,824 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:40,855 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:40,888 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:40,920 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:40,953 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:40,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:23:40,988 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:41,024 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:41,058 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:23:41,092 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:23:41,122 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:23:41,153 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:41,186 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:41,218 INFO L550 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 23:23:41,248 INFO L550 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:41,280 INFO L550 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:23:41,311 INFO L550 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:41,345 INFO L550 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-05 23:23:41,377 INFO L550 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:41,408 INFO L550 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-06-05 23:23:41,440 INFO L550 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:41,471 INFO L550 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-06-05 23:23:41,503 INFO L550 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-06-05 23:23:41,531 INFO L550 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:41,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 23:23:41,554 INFO L550 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:23:44,488 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 331 DAG size of output: 329 [2021-06-05 23:23:44,489 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.0 percent of original size [2021-06-05 23:23:44,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:44,519 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 23:23:44,560 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:44,602 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:23:44,645 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:44,682 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:44,721 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:23:44,761 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:44,801 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 23:23:44,842 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:23:44,874 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:44,905 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:44,937 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:44,969 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:44,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:44,999 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,030 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,063 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 23:23:45,094 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,124 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:45,156 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:45,188 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,219 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,251 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 23:23:45,283 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:45,315 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:45,347 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 23:23:45,379 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,411 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 23:23:45,443 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,521 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,541 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,562 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:45,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 23:23:45,596 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:46,104 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 23:23:46,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:46,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-05 23:23:46,123 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 3 variables, input treesize:2241, output treesize:382 [2021-06-05 23:23:46,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:23:46,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:46,280 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 23:23:46,280 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 23:23:46,280 INFO L518 ElimStorePlain]: Eliminatee v_prenex_281 vanished before elimination [2021-06-05 23:23:46,280 INFO L518 ElimStorePlain]: Eliminatee v_prenex_279 vanished before elimination [2021-06-05 23:23:46,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:46,280 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:23:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:46,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340880272] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:46,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:23:46,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 23:23:46,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291667633] [2021-06-05 23:23:46,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:23:46,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:23:46,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:23:46,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:23:46,287 INFO L87 Difference]: Start difference. First operand 5662 states and 20259 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:46,811 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-06-05 23:23:47,014 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-06-05 23:23:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:23:47,338 INFO L93 Difference]: Finished difference Result 7340 states and 25658 transitions. [2021-06-05 23:23:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 23:23:47,338 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:23:47,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:23:47,351 INFO L225 Difference]: With dead ends: 7340 [2021-06-05 23:23:47,351 INFO L226 Difference]: Without dead ends: 7145 [2021-06-05 23:23:47,351 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1433.6ms TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-06-05 23:23:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7145 states. [2021-06-05 23:23:47,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7145 to 5610. [2021-06-05 23:23:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 5609 states have (on average 3.5785344981280085) internal successors, (20072), 5609 states have internal predecessors, (20072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 20072 transitions. [2021-06-05 23:23:47,447 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 20072 transitions. Word has length 33 [2021-06-05 23:23:47,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:23:47,447 INFO L482 AbstractCegarLoop]: Abstraction has 5610 states and 20072 transitions. [2021-06-05 23:23:47,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 20072 transitions. [2021-06-05 23:23:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:23:47,460 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:23:47,460 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:23:47,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1305 [2021-06-05 23:23:47,673 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:23:47,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:23:47,673 INFO L82 PathProgramCache]: Analyzing trace with hash 129571106, now seen corresponding path program 19 times [2021-06-05 23:23:47,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:23:47,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373433912] [2021-06-05 23:23:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:23:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:23:48,048 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-06-05 23:23:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:48,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:23:48,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373433912] [2021-06-05 23:23:48,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373433912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:48,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142161965] [2021-06-05 23:23:48,251 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-05 23:23:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:23:48,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:23:48,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:23:48,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:23:48,366 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:48,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 23:23:48,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:48,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:48,467 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:48,475 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:23:48,481 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:48,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:23:48,555 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:285, output treesize:281 [2021-06-05 23:23:48,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:48,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:48,939 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:48,956 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:48,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:48,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:48,969 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:49,434 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-05 23:23:49,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 23:23:49,448 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:49,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 23:23:49,460 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-05 23:23:49,472 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:49,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:49,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 23:23:49,480 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,185 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-06-05 23:23:50,186 INFO L628 ElimStorePlain]: treesize reduction 26, result has 97.6 percent of original size [2021-06-05 23:23:50,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:50,197 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:50,208 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:23:50,220 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:23:50,228 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,533 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-05 23:23:50,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:50,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 23:23:50,545 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 23:23:50,556 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2021-06-05 23:23:50,567 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:50,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2021-06-05 23:23:50,575 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,699 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2021-06-05 23:23:50,699 INFO L628 ElimStorePlain]: treesize reduction 702, result has 13.2 percent of original size [2021-06-05 23:23:50,699 INFO L518 ElimStorePlain]: Eliminatee v_prenex_284 vanished before elimination [2021-06-05 23:23:50,700 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-06-05 23:23:50,700 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-06-05 23:23:50,700 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-06-05 23:23:50,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:23:50,700 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:1329, output treesize:107 [2021-06-05 23:23:50,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:23:50,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,888 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 23:23:50,888 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 23:23:50,888 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-06-05 23:23:50,888 INFO L518 ElimStorePlain]: Eliminatee v_prenex_289 vanished before elimination [2021-06-05 23:23:50,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:50,888 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:23:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:50,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142161965] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:50,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:23:50,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 23:23:50,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565323296] [2021-06-05 23:23:50,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 23:23:50,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:23:50,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 23:23:50,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-05 23:23:50,894 INFO L87 Difference]: Start difference. First operand 5610 states and 20072 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:51,264 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2021-06-05 23:23:51,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:23:51,520 INFO L93 Difference]: Finished difference Result 7215 states and 25241 transitions. [2021-06-05 23:23:51,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 23:23:51,521 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:23:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:23:51,532 INFO L225 Difference]: With dead ends: 7215 [2021-06-05 23:23:51,532 INFO L226 Difference]: Without dead ends: 7120 [2021-06-05 23:23:51,532 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1090.4ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:23:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7120 states. [2021-06-05 23:23:51,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7120 to 5721. [2021-06-05 23:23:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5721 states, 5720 states have (on average 3.573776223776224) internal successors, (20442), 5720 states have internal predecessors, (20442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 20442 transitions. [2021-06-05 23:23:51,644 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 20442 transitions. Word has length 33 [2021-06-05 23:23:51,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:23:51,644 INFO L482 AbstractCegarLoop]: Abstraction has 5721 states and 20442 transitions. [2021-06-05 23:23:51,644 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 20442 transitions. [2021-06-05 23:23:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:23:51,656 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:23:51,656 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:23:51,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1470,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:23:51,869 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:23:51,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:23:51,870 INFO L82 PathProgramCache]: Analyzing trace with hash 800704726, now seen corresponding path program 20 times [2021-06-05 23:23:51,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:23:51,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843969746] [2021-06-05 23:23:51,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:23:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:23:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:52,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:23:52,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843969746] [2021-06-05 23:23:52,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843969746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:52,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202481417] [2021-06-05 23:23:52,280 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 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 [2021-06-05 23:23:52,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:23:52,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:23:52,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:23:52,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:23:52,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:23:52,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:52,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:52,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:52,399 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:23:52,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:52,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:52,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:52,481 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:52,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:52,487 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:52,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:52,491 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:52,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:52,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:23:52,555 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-05 23:23:52,822 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 23:23:53,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:23:53,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:53,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 23:23:53,286 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:53,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 23:23:53,298 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:53,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 23:23:53,309 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:53,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:23:53,321 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:53,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 23:23:53,333 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:53,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:23:53,344 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:53,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:23:53,352 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,422 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2021-06-05 23:23:54,423 INFO L628 ElimStorePlain]: treesize reduction 500, result has 76.2 percent of original size [2021-06-05 23:23:54,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:23:54,433 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:23:54,444 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:23:54,455 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 23:23:54,465 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:23:54,476 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 23:23:54,486 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-06-05 23:23:54,496 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:54,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 23:23:54,503 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,297 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2021-06-05 23:23:55,298 INFO L628 ElimStorePlain]: treesize reduction 200, result has 86.4 percent of original size [2021-06-05 23:23:55,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 23:23:55,308 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-06-05 23:23:55,321 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:23:55,330 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 24 [2021-06-05 23:23:55,337 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,873 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-06-05 23:23:55,874 INFO L628 ElimStorePlain]: treesize reduction 302, result has 73.6 percent of original size [2021-06-05 23:23:55,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 23:23:55,883 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 23:23:55,892 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:23:55,901 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:55,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 23:23:55,907 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:56,022 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2021-06-05 23:23:56,023 INFO L628 ElimStorePlain]: treesize reduction 604, result has 13.8 percent of original size [2021-06-05 23:23:56,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_293 vanished before elimination [2021-06-05 23:23:56,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_294 vanished before elimination [2021-06-05 23:23:56,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-06-05 23:23:56,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_296 vanished before elimination [2021-06-05 23:23:56,024 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:23:56,024 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 8 variables, input treesize:2241, output treesize:97 [2021-06-05 23:23:56,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:23:56,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:56,117 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:23:56,117 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:56,131 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 23:23:56,131 INFO L518 ElimStorePlain]: Eliminatee v_prenex_297 vanished before elimination [2021-06-05 23:23:56,131 INFO L518 ElimStorePlain]: Eliminatee v_prenex_298 vanished before elimination [2021-06-05 23:23:56,131 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-06-05 23:23:56,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:56,132 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-06-05 23:23:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:56,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202481417] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:56,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:23:56,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 23:23:56,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144937330] [2021-06-05 23:23:56,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 23:23:56,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:23:56,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 23:23:56,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-05 23:23:56,138 INFO L87 Difference]: Start difference. First operand 5721 states and 20442 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:56,556 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-06-05 23:23:56,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:23:56,881 INFO L93 Difference]: Finished difference Result 8167 states and 28538 transitions. [2021-06-05 23:23:56,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 23:23:56,882 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:23:56,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:23:56,895 INFO L225 Difference]: With dead ends: 8167 [2021-06-05 23:23:56,896 INFO L226 Difference]: Without dead ends: 7964 [2021-06-05 23:23:56,896 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 988.8ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:23:56,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-06-05 23:23:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 5826. [2021-06-05 23:23:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5825 states have (on average 3.568755364806867) internal successors, (20788), 5825 states have internal predecessors, (20788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 20788 transitions. [2021-06-05 23:23:56,989 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 20788 transitions. Word has length 33 [2021-06-05 23:23:56,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:23:56,989 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 20788 transitions. [2021-06-05 23:23:56,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:23:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 20788 transitions. [2021-06-05 23:23:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:23:56,997 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:23:56,997 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:23:57,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1529,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:23:57,199 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:23:57,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:23:57,199 INFO L82 PathProgramCache]: Analyzing trace with hash 834031778, now seen corresponding path program 21 times [2021-06-05 23:23:57,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:23:57,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029354411] [2021-06-05 23:23:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:23:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:23:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:23:57,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:23:57,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029354411] [2021-06-05 23:23:57,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029354411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:23:57,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439394093] [2021-06-05 23:23:57,776 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 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 [2021-06-05 23:23:57,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 23:23:57,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:23:57,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 23:23:57,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:23:57,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:23:57,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:57,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:57,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:23:57,937 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:23:58,044 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:23:58,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:58,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:58,058 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:23:58,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:58,059 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:58,073 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:23:58,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:58,073 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:58,086 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 23:23:58,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:23:58,088 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:58,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:58,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-05 23:23:58,169 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:285, output treesize:281 [2021-06-05 23:23:58,872 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-05 23:23:59,117 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-05 23:23:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:59,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:59,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:59,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:23:59,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:59,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:59,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:59,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-05 23:23:59,266 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:59,709 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2021-06-05 23:23:59,709 INFO L628 ElimStorePlain]: treesize reduction 58, result has 92.4 percent of original size [2021-06-05 23:23:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:59,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:59,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:59,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:23:59,718 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:59,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 23:23:59,725 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:59,926 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-05 23:23:59,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:23:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:59,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:23:59,934 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:23:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:23:59,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:23:59,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:23:59,940 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:00,134 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-06-05 23:24:00,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:00,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:24:00,141 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:00,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:24:00,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:24:00,147 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:00,326 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-05 23:24:00,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:00,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:24:00,333 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:00,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:24:00,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:24:00,339 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:00,506 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-05 23:24:00,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:00,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:24:00,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:24:00,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:24:00,515 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:00,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 23:24:00,521 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:00,672 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-05 23:24:00,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:00,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 12 xjuncts. [2021-06-05 23:24:00,683 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:799, output treesize:481 [2021-06-05 23:24:01,049 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2021-06-05 23:24:01,610 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_327, A, B, v_prenex_318, v_prenex_319, v_prenex_320, v_prenex_310, v_prenex_321, v_prenex_311, v_prenex_322, v_prenex_323, v_prenex_326], 3=[v_prenex_316, v_prenex_317, v_prenex_312, v_prenex_313, v_prenex_324, v_prenex_314, v_prenex_325, v_prenex_315]} [2021-06-05 23:24:01,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:24:01,632 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:01,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:24:01,655 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:01,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:24:01,677 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:01,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:24:01,694 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:02,633 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-05 23:24:02,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:02,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:24:02,649 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:02,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:24:02,664 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:02,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:24:02,680 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:02,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:24:02,694 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:03,540 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-06-05 23:24:03,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:03,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:24:03,556 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:03,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:24:03,567 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:03,905 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 5 [2021-06-05 23:24:03,905 INFO L628 ElimStorePlain]: treesize reduction 1621, result has 0.3 percent of original size [2021-06-05 23:24:03,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-06-05 23:24:03,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_319 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_320 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_310 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_321 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_311 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_322 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_323 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_326 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_316 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_317 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_312 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_313 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_324 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_314 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_325 vanished before elimination [2021-06-05 23:24:03,906 INFO L518 ElimStorePlain]: Eliminatee v_prenex_315 vanished before elimination [2021-06-05 23:24:03,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:24:03,907 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 24 variables, input treesize:1937, output treesize:5 [2021-06-05 23:24:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:24:03,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439394093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:24:03,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:24:03,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 23:24:03,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376040678] [2021-06-05 23:24:03,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 23:24:03,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:24:03,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 23:24:03,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2021-06-05 23:24:03,917 INFO L87 Difference]: Start difference. First operand 5826 states and 20788 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:24:04,130 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-05 23:24:04,646 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-06-05 23:24:04,975 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2021-06-05 23:24:05,173 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-05 23:24:05,392 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-05 23:24:05,710 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-05 23:24:05,940 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-05 23:24:06,380 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 112 [2021-06-05 23:24:06,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:24:06,536 INFO L93 Difference]: Finished difference Result 7804 states and 27257 transitions. [2021-06-05 23:24:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 23:24:06,536 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:24:06,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:24:06,549 INFO L225 Difference]: With dead ends: 7804 [2021-06-05 23:24:06,549 INFO L226 Difference]: Without dead ends: 7616 [2021-06-05 23:24:06,550 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3518.2ms TimeCoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 23:24:06,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2021-06-05 23:24:06,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 5834. [2021-06-05 23:24:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 5833 states have (on average 3.5739756557517572) internal successors, (20847), 5833 states have internal predecessors, (20847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:24:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 20847 transitions. [2021-06-05 23:24:06,665 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 20847 transitions. Word has length 33 [2021-06-05 23:24:06,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:24:06,665 INFO L482 AbstractCegarLoop]: Abstraction has 5834 states and 20847 transitions. [2021-06-05 23:24:06,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:24:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 20847 transitions. [2021-06-05 23:24:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:24:06,675 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:24:06,675 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:24:06,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1692,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:24:06,875 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:24:06,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:24:06,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1088923614, now seen corresponding path program 22 times [2021-06-05 23:24:06,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:24:06,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433300964] [2021-06-05 23:24:06,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:24:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:24:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:24:07,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:24:07,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433300964] [2021-06-05 23:24:07,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433300964] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:24:07,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305641765] [2021-06-05 23:24:07,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:24:07,281 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:24:07,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:24:07,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 23:24:07,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:24:07,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:24:07,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:07,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 23:24:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:07,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:24:07,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:07,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 23:24:07,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-06-05 23:24:07,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,717 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-06-05 23:24:07,725 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-06-05 23:24:07,733 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:24:07,741 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-06-05 23:24:07,749 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:24:07,757 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,765 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,774 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,782 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,791 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,799 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,807 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:24:07,816 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:24:07,824 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:07,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-05 23:24:07,830 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,016 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 23:24:08,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:08,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-06-05 23:24:08,023 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:24:08,030 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:24:08,036 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 23:24:08,043 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:24:08,050 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 23:24:08,059 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 23:24:08,069 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:24:08,077 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-05 23:24:08,084 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-06-05 23:24:08,091 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 23:24:08,097 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-06-05 23:24:08,104 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:24:08,111 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:24:08,119 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:24:08,128 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-05 23:24:08,133 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,199 INFO L628 ElimStorePlain]: treesize reduction 157, result has 37.2 percent of original size [2021-06-05 23:24:08,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:24:08,200 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 2 variables, input treesize:1121, output treesize:93 [2021-06-05 23:24:08,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:24:08,390 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:24:08,393 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,408 INFO L628 ElimStorePlain]: treesize reduction 113, result has 4.2 percent of original size [2021-06-05 23:24:08,408 INFO L518 ElimStorePlain]: Eliminatee v_prenex_329 vanished before elimination [2021-06-05 23:24:08,409 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 23:24:08,409 INFO L518 ElimStorePlain]: Eliminatee v_prenex_330 vanished before elimination [2021-06-05 23:24:08,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:24:08,409 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-06-05 23:24:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:24:08,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305641765] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:24:08,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:24:08,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 23:24:08,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680172812] [2021-06-05 23:24:08,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 23:24:08,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:24:08,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 23:24:08,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2021-06-05 23:24:08,415 INFO L87 Difference]: Start difference. First operand 5834 states and 20847 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:24:08,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:24:08,905 INFO L93 Difference]: Finished difference Result 7356 states and 25813 transitions. [2021-06-05 23:24:08,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 23:24:08,906 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:24:08,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:24:08,918 INFO L225 Difference]: With dead ends: 7356 [2021-06-05 23:24:08,918 INFO L226 Difference]: Without dead ends: 7261 [2021-06-05 23:24:08,918 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 665.0ms TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2021-06-05 23:24:08,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2021-06-05 23:24:09,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 5912. [2021-06-05 23:24:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5912 states, 5911 states have (on average 3.570631026899002) internal successors, (21106), 5911 states have internal predecessors, (21106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:24:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 21106 transitions. [2021-06-05 23:24:09,044 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 21106 transitions. Word has length 33 [2021-06-05 23:24:09,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:24:09,044 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 21106 transitions. [2021-06-05 23:24:09,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:24:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 21106 transitions. [2021-06-05 23:24:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:24:09,054 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:24:09,054 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:24:09,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1859,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:24:09,254 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:24:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:24:09,255 INFO L82 PathProgramCache]: Analyzing trace with hash -417789994, now seen corresponding path program 23 times [2021-06-05 23:24:09,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:24:09,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818910527] [2021-06-05 23:24:09,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:24:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:24:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:24:09,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:24:09,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818910527] [2021-06-05 23:24:09,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818910527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:24:09,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576052791] [2021-06-05 23:24:09,881 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:24:09,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 23:24:09,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:24:09,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 23:24:09,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:24:10,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:24:10,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:10,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:10,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:24:10,035 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 23:24:10,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:10,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:24:10,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:10,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:10,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:24:10,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2021-06-05 23:24:11,050 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-05 23:24:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,699 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:11,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 83 [2021-06-05 23:24:11,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,784 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:11,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 23:24:11,853 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:11,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,924 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 23:24:11,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 23:24:11,926 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:11,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:11,971 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:11,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 45 [2021-06-05 23:24:11,972 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:16,137 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 368 DAG size of output: 346 [2021-06-05 23:24:16,138 INFO L628 ElimStorePlain]: treesize reduction 357, result has 88.8 percent of original size [2021-06-05 23:24:16,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,206 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:16,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 23:24:16,217 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:16,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,291 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:16,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 23:24:16,292 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,367 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:16,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 23:24:16,378 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:16,439 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:16,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 23:24:16,441 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:19,295 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 363 DAG size of output: 356 [2021-06-05 23:24:19,296 INFO L628 ElimStorePlain]: treesize reduction 112, result has 96.3 percent of original size [2021-06-05 23:24:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:19,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 23:24:19,384 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:19,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,455 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:19,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 23:24:19,469 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:19,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,556 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:19,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 23:24:19,557 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:19,625 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:19,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 23:24:19,626 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:24,082 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 379 DAG size of output: 365 [2021-06-05 23:24:24,083 INFO L628 ElimStorePlain]: treesize reduction 281, result has 91.1 percent of original size [2021-06-05 23:24:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,169 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:24,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 23:24:24,207 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,295 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:24,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 23:24:24,315 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:24,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,395 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 23:24:24,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 23:24:24,397 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:24,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:24,462 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 23:24:24,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 23:24:24,464 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:29,273 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 417 DAG size of output: 384 [2021-06-05 23:24:29,274 INFO L628 ElimStorePlain]: treesize reduction 617, result has 82.6 percent of original size [2021-06-05 23:24:29,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,350 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:29,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 124 [2021-06-05 23:24:29,399 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,461 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 23:24:29,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-06-05 23:24:29,463 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,518 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 23:24:29,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 114 treesize of output 1 [2021-06-05 23:24:29,519 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:29,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:29,551 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 23:24:29,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 1 [2021-06-05 23:24:29,552 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:32,406 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 378 DAG size of output: 358 [2021-06-05 23:24:32,407 INFO L628 ElimStorePlain]: treesize reduction 221, result has 92.4 percent of original size [2021-06-05 23:24:32,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,492 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:32,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 74 [2021-06-05 23:24:32,519 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2021-06-05 23:24:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,588 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-05 23:24:32,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-06-05 23:24:32,590 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:32,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,637 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 23:24:32,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 1 [2021-06-05 23:24:32,638 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:32,672 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 23:24:32,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 1 [2021-06-05 23:24:32,673 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:36,408 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 351 DAG size of output: 337 [2021-06-05 23:24:36,409 INFO L628 ElimStorePlain]: treesize reduction 145, result has 94.4 percent of original size [2021-06-05 23:24:36,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,481 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:36,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-06-05 23:24:36,500 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:36,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,573 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:36,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 23:24:36,587 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,659 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-05 23:24:36,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 44 [2021-06-05 23:24:36,661 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:36,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:36,725 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:36,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 23:24:36,727 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:40,655 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 365 DAG size of output: 351 [2021-06-05 23:24:40,656 INFO L628 ElimStorePlain]: treesize reduction 204, result has 92.4 percent of original size [2021-06-05 23:24:40,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:40,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 113 [2021-06-05 23:24:40,773 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 5 xjuncts. [2021-06-05 23:24:40,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,852 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:40,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 85 [2021-06-05 23:24:40,859 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,904 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 23:24:40,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 1 [2021-06-05 23:24:40,904 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:40,935 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 23:24:40,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-05 23:24:40,936 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:43,227 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 347 DAG size of output: 324 [2021-06-05 23:24:43,227 INFO L628 ElimStorePlain]: treesize reduction 209, result has 91.4 percent of original size [2021-06-05 23:24:43,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:43,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-06-05 23:24:43,317 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,401 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 23:24:43,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 42 [2021-06-05 23:24:43,403 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,478 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:43,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 23:24:43,490 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:43,554 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 23:24:43,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-06-05 23:24:43,555 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:47,198 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 353 DAG size of output: 341 [2021-06-05 23:24:47,199 INFO L628 ElimStorePlain]: treesize reduction 138, result has 94.3 percent of original size [2021-06-05 23:24:47,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,269 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:47,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 130 [2021-06-05 23:24:47,323 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 4 xjuncts. [2021-06-05 23:24:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,412 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-05 23:24:47,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 113 treesize of output 99 [2021-06-05 23:24:47,420 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,474 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-06-05 23:24:47,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 36 [2021-06-05 23:24:47,476 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:47,509 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 23:24:47,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2021-06-05 23:24:47,510 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:50,582 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 350 DAG size of output: 318 [2021-06-05 23:24:50,583 INFO L628 ElimStorePlain]: treesize reduction 270, result has 88.2 percent of original size [2021-06-05 23:24:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,694 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:50,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 23:24:50,714 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:50,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,799 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 23:24:50,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 23:24:50,801 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,879 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:50,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 23:24:50,894 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:50,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:50,959 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 23:24:50,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 23:24:50,961 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:53,155 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 369 DAG size of output: 346 [2021-06-05 23:24:53,156 INFO L628 ElimStorePlain]: treesize reduction 273, result has 88.8 percent of original size [2021-06-05 23:24:53,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:53,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 49 [2021-06-05 23:24:53,219 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,296 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:53,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 166 [2021-06-05 23:24:53,350 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2021-06-05 23:24:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,434 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 23:24:53,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 170 treesize of output 136 [2021-06-05 23:24:53,445 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:53,475 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 23:24:53,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2021-06-05 23:24:53,476 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:55,343 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 347 DAG size of output: 316 [2021-06-05 23:24:55,344 INFO L628 ElimStorePlain]: treesize reduction 378, result has 82.9 percent of original size [2021-06-05 23:24:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,412 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:55,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 179 treesize of output 173 [2021-06-05 23:24:55,516 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 4 xjuncts. [2021-06-05 23:24:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,573 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 23:24:55,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-06-05 23:24:55,575 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,621 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 23:24:55,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 1 [2021-06-05 23:24:55,622 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:55,665 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 23:24:55,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 1 [2021-06-05 23:24:55,666 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:57,984 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 318 DAG size of output: 279 [2021-06-05 23:24:57,985 INFO L628 ElimStorePlain]: treesize reduction 513, result has 74.2 percent of original size [2021-06-05 23:24:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,045 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:58,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 74 [2021-06-05 23:24:58,103 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,167 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:58,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 104 treesize of output 88 [2021-06-05 23:24:58,197 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 3 xjuncts. [2021-06-05 23:24:58,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,262 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 23:24:58,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-05 23:24:58,263 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:58,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:58,287 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 23:24:58,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 1 [2021-06-05 23:24:58,288 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:59,546 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 273 DAG size of output: 254 [2021-06-05 23:24:59,546 INFO L628 ElimStorePlain]: treesize reduction 175, result has 87.4 percent of original size [2021-06-05 23:24:59,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,606 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:59,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 23:24:59,637 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2021-06-05 23:24:59,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,708 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:24:59,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 83 [2021-06-05 23:24:59,721 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,790 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 23:24:59,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 23:24:59,792 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 23:24:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:24:59,842 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 23:24:59,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2021-06-05 23:24:59,843 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:01,244 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 297 DAG size of output: 282 [2021-06-05 23:25:01,245 INFO L628 ElimStorePlain]: treesize reduction 181, result has 88.2 percent of original size [2021-06-05 23:25:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:01,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 165 treesize of output 167 [2021-06-05 23:25:01,478 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 4 xjuncts. [2021-06-05 23:25:01,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,518 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 23:25:01,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 1 [2021-06-05 23:25:01,519 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,575 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-06-05 23:25:01,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2021-06-05 23:25:01,576 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:01,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:01,604 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 23:25:01,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 1 [2021-06-05 23:25:01,605 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:02,791 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 297 DAG size of output: 251 [2021-06-05 23:25:02,792 INFO L628 ElimStorePlain]: treesize reduction 599, result has 63.2 percent of original size [2021-06-05 23:25:02,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 16 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-06-05 23:25:02,877 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 24 variables, input treesize:2689, output treesize:1028 [2021-06-05 23:25:03,264 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 100 [2021-06-05 23:25:04,087 INFO L446 ElimStorePlain]: Different costs {3=[C, v_prenex_376], 5=[v_prenex_375]} [2021-06-05 23:25:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:04,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:04,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:04,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 23:25:04,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:04,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:04,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2021-06-05 23:25:04,098 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:04,162 INFO L628 ElimStorePlain]: treesize reduction 42, result has 69.8 percent of original size [2021-06-05 23:25:04,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:04,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-06-05 23:25:04,166 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:04,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:04,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:04,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:04,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 23:25:04,198 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:04,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:04,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 23:25:04,202 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:04,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:04,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:04,215 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:190, output treesize:5 [2021-06-05 23:25:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:04,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576052791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:04,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:25:04,220 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-05 23:25:04,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257566298] [2021-06-05 23:25:04,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:25:04,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:25:04,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:25:04,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=453, Unknown=1, NotChecked=0, Total=552 [2021-06-05 23:25:04,222 INFO L87 Difference]: Start difference. First operand 5912 states and 21106 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:04,894 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-06-05 23:25:05,754 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-06-05 23:25:06,253 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 92 [2021-06-05 23:25:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:25:06,550 INFO L93 Difference]: Finished difference Result 9409 states and 32339 transitions. [2021-06-05 23:25:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 23:25:06,550 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:25:06,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:25:06,567 INFO L225 Difference]: With dead ends: 9409 [2021-06-05 23:25:06,568 INFO L226 Difference]: Without dead ends: 9201 [2021-06-05 23:25:06,568 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 13 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 3553.6ms TimeCoverageRelationStatistics Valid=320, Invalid=1749, Unknown=1, NotChecked=0, Total=2070 [2021-06-05 23:25:06,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9201 states. [2021-06-05 23:25:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9201 to 6206. [2021-06-05 23:25:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6206 states, 6205 states have (on average 3.5613215149073327) internal successors, (22098), 6205 states have internal predecessors, (22098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6206 states to 6206 states and 22098 transitions. [2021-06-05 23:25:06,675 INFO L78 Accepts]: Start accepts. Automaton has 6206 states and 22098 transitions. Word has length 33 [2021-06-05 23:25:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:25:06,676 INFO L482 AbstractCegarLoop]: Abstraction has 6206 states and 22098 transitions. [2021-06-05 23:25:06,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 6206 states and 22098 transitions. [2021-06-05 23:25:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:25:06,685 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:25:06,685 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:25:06,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1913,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:25:06,886 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:25:06,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:25:06,886 INFO L82 PathProgramCache]: Analyzing trace with hash -384462942, now seen corresponding path program 24 times [2021-06-05 23:25:06,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:25:06,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752483118] [2021-06-05 23:25:06,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:25:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:25:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:07,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:25:07,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752483118] [2021-06-05 23:25:07,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752483118] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:07,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205686008] [2021-06-05 23:25:07,327 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 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 [2021-06-05 23:25:07,355 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 23:25:07,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:25:07,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-05 23:25:07,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:25:07,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:25:07,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:07,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:07,474 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:25:07,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:07,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:07,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:07,550 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-06-05 23:25:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,839 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-05 23:25:07,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-05 23:25:07,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-05 23:25:07,865 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-05 23:25:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,889 INFO L354 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2021-06-05 23:25:07,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 43 [2021-06-05 23:25:07,891 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,911 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-05 23:25:07,915 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-05 23:25:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,932 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 23:25:07,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 32 [2021-06-05 23:25:07,934 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:07,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,952 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-05 23:25:07,956 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-05 23:25:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,975 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-06-05 23:25:07,978 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-05 23:25:07,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:07,999 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:07,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-06-05 23:25:08,003 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-05 23:25:08,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:08,009 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:08,027 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 23:25:08,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 32 [2021-06-05 23:25:08,028 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:08,042 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 23:25:08,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:25:08,043 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:08,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:08,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:08,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2021-06-05 23:25:08,063 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-06-05 23:25:08,600 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-06-05 23:25:08,600 INFO L628 ElimStorePlain]: treesize reduction 430, result has 60.0 percent of original size [2021-06-05 23:25:08,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 23:25:08,610 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:1017, output treesize:790 [2021-06-05 23:25:08,929 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 23:25:10,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:10,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:10,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:10,487 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:10,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:10,507 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:10,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:10,524 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:15,553 WARN L205 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 307 DAG size of output: 304 [2021-06-05 23:25:15,554 INFO L628 ElimStorePlain]: treesize reduction 219, result has 94.9 percent of original size [2021-06-05 23:25:15,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-05 23:25:15,575 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:15,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-05 23:25:15,595 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:15,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:15,614 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:15,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:15,629 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:17,933 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 292 [2021-06-05 23:25:17,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:17,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-05 23:25:17,954 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:17,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:17,974 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:17,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-05 23:25:17,995 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:18,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:18,011 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:20,227 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 280 [2021-06-05 23:25:20,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:20,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:25:20,246 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:20,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:25:20,262 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,274 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 270 DAG size of output: 235 [2021-06-05 23:25:23,275 INFO L628 ElimStorePlain]: treesize reduction 1048, result has 71.5 percent of original size [2021-06-05 23:25:23,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-05 23:25:23,292 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-05 23:25:23,309 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:23,326 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:23,338 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-05 23:25:23,355 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-05 23:25:23,372 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:23,384 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:23,394 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:23,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:23,418 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,629 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 221 [2021-06-05 23:25:24,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:24,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-05 23:25:24,645 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:24,655 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-05 23:25:24,669 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:24,679 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-05 23:25:24,694 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:24,708 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-05 23:25:24,722 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:24,734 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:24,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:24,743 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:25,759 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 208 [2021-06-05 23:25:25,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:25,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-05 23:25:25,775 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:25,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-05 23:25:25,791 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:25,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:25,801 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:25,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:25:25,817 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:25,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:25,825 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:26,157 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-06-05 23:25:26,157 INFO L628 ElimStorePlain]: treesize reduction 1934, result has 2.0 percent of original size [2021-06-05 23:25:26,157 INFO L518 ElimStorePlain]: Eliminatee v_prenex_394 vanished before elimination [2021-06-05 23:25:26,157 INFO L518 ElimStorePlain]: Eliminatee v_prenex_383 vanished before elimination [2021-06-05 23:25:26,157 INFO L518 ElimStorePlain]: Eliminatee v_prenex_384 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_385 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_386 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_387 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_388 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_377 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_389 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_378 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_379 vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:25:26,158 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:25:26,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 23:25:26,159 INFO L247 ElimStorePlain]: Needed 38 recursive calls to eliminate 20 variables, input treesize:4409, output treesize:40 [2021-06-05 23:25:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:26,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205686008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:26,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:25:26,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 23:25:26,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958894173] [2021-06-05 23:25:26,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 23:25:26,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:25:26,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 23:25:26,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2021-06-05 23:25:26,233 INFO L87 Difference]: Start difference. First operand 6206 states and 22098 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:26,834 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-06-05 23:25:27,866 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2021-06-05 23:25:28,584 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-05 23:25:29,011 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-06-05 23:25:29,241 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 23:25:29,690 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-06-05 23:25:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:25:29,878 INFO L93 Difference]: Finished difference Result 11457 states and 39557 transitions. [2021-06-05 23:25:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 23:25:29,878 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:25:29,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:25:29,898 INFO L225 Difference]: With dead ends: 11457 [2021-06-05 23:25:29,898 INFO L226 Difference]: Without dead ends: 11308 [2021-06-05 23:25:29,899 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 3831.3ms TimeCoverageRelationStatistics Valid=521, Invalid=2449, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 23:25:29,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2021-06-05 23:25:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 6277. [2021-06-05 23:25:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 6276 states have (on average 3.5624601657106436) internal successors, (22358), 6276 states have internal predecessors, (22358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 22358 transitions. [2021-06-05 23:25:30,030 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 22358 transitions. Word has length 33 [2021-06-05 23:25:30,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:25:30,030 INFO L482 AbstractCegarLoop]: Abstraction has 6277 states and 22358 transitions. [2021-06-05 23:25:30,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:30,030 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 22358 transitions. [2021-06-05 23:25:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:25:30,040 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:25:30,040 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:25:30,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2539 [2021-06-05 23:25:30,241 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:25:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:25:30,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1642775078, now seen corresponding path program 25 times [2021-06-05 23:25:30,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:25:30,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541048335] [2021-06-05 23:25:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:25:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:25:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:30,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:25:30,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541048335] [2021-06-05 23:25:30,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541048335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:30,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347012873] [2021-06-05 23:25:30,819 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 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 [2021-06-05 23:25:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:25:30,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:25:30,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:25:30,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:25:30,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:30,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:30,980 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:30,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:25:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:31,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:31,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,035 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 23:25:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 23:25:31,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,608 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,618 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,628 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,638 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:31,647 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:31,657 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,666 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,676 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:31,685 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:31,696 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,706 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,715 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:31,725 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,734 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 23:25:31,744 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:31,753 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:31,764 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 23:25:31,774 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:31,784 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,794 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,804 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:31,815 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,825 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:31,836 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,847 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:31,858 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:31,869 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,880 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:31,892 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 23:25:31,902 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:31,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:31,910 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,364 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-06-05 23:25:32,365 INFO L628 ElimStorePlain]: treesize reduction 952, result has 50.6 percent of original size [2021-06-05 23:25:32,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-05 23:25:32,373 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-05 23:25:32,381 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-05 23:25:32,390 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 23:25:32,399 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-05 23:25:32,408 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 23:25:32,417 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 23:25:32,425 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-06-05 23:25:32,434 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:32,442 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-06-05 23:25:32,451 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2021-06-05 23:25:32,459 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 41 [2021-06-05 23:25:32,468 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-05 23:25:32,476 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-05 23:25:32,484 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 39 [2021-06-05 23:25:32,492 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:32,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 23:25:32,497 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,564 INFO L628 ElimStorePlain]: treesize reduction 173, result has 37.8 percent of original size [2021-06-05 23:25:32,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:25:32,565 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2625, output treesize:105 [2021-06-05 23:25:32,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:25:32,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:25:32,651 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,662 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 23:25:32,662 INFO L518 ElimStorePlain]: Eliminatee v_prenex_395 vanished before elimination [2021-06-05 23:25:32,662 INFO L518 ElimStorePlain]: Eliminatee v_prenex_396 vanished before elimination [2021-06-05 23:25:32,662 INFO L518 ElimStorePlain]: Eliminatee v_prenex_397 vanished before elimination [2021-06-05 23:25:32,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:32,662 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 23:25:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:32,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347012873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:32,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:25:32,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 23:25:32,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326254948] [2021-06-05 23:25:32,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 23:25:32,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:25:32,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 23:25:32,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-06-05 23:25:32,669 INFO L87 Difference]: Start difference. First operand 6277 states and 22358 transitions. Second operand has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:33,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:25:33,772 INFO L93 Difference]: Finished difference Result 9926 states and 34677 transitions. [2021-06-05 23:25:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 23:25:33,773 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:25:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:25:33,790 INFO L225 Difference]: With dead ends: 9926 [2021-06-05 23:25:33,790 INFO L226 Difference]: Without dead ends: 9783 [2021-06-05 23:25:33,791 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1170.3ms TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 23:25:33,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9783 states. [2021-06-05 23:25:33,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9783 to 6359. [2021-06-05 23:25:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 6358 states have (on average 3.560239068889588) internal successors, (22636), 6358 states have internal predecessors, (22636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 22636 transitions. [2021-06-05 23:25:33,904 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 22636 transitions. Word has length 33 [2021-06-05 23:25:33,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:25:33,904 INFO L482 AbstractCegarLoop]: Abstraction has 6359 states and 22636 transitions. [2021-06-05 23:25:33,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 22636 transitions. [2021-06-05 23:25:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:25:33,914 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:25:33,914 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:25:34,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3071,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:25:34,115 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:25:34,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:25:34,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1609448026, now seen corresponding path program 26 times [2021-06-05 23:25:34,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:25:34,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323345134] [2021-06-05 23:25:34,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:25:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:25:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:34,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:25:34,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323345134] [2021-06-05 23:25:34,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323345134] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:34,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983613436] [2021-06-05 23:25:34,990 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 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 [2021-06-05 23:25:35,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:25:35,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:25:35,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 23:25:35,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:25:35,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:25:35,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:35,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,118 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:25:35,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:35,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:35,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:35,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,163 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 23:25:35,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-05 23:25:35,379 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-05 23:25:35,386 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:25:35,392 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-05 23:25:35,397 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:25:35,403 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-05 23:25:35,409 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:25:35,415 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-05 23:25:35,421 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:25:35,427 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-05 23:25:35,432 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:25:35,437 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-06-05 23:25:35,442 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:35,628 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-06-05 23:25:35,628 INFO L628 ElimStorePlain]: treesize reduction 138, result has 71.8 percent of original size [2021-06-05 23:25:35,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 23:25:35,630 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:725, output treesize:351 [2021-06-05 23:25:36,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:36,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:36,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:36,133 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:36,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:36,149 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:36,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:36,161 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:37,130 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-06-05 23:25:37,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:37,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:37,148 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:37,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:37,165 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:37,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:37,183 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:37,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:37,197 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:38,090 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-05 23:25:38,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:38,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:25:38,105 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:38,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-06-05 23:25:38,116 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:39,014 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 166 [2021-06-05 23:25:39,015 INFO L628 ElimStorePlain]: treesize reduction 708, result has 52.6 percent of original size [2021-06-05 23:25:39,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:25:39,026 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:39,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:25:39,034 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:39,132 INFO L628 ElimStorePlain]: treesize reduction 734, result has 0.7 percent of original size [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_401 vanished before elimination [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_412 vanished before elimination [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_402 vanished before elimination [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_413 vanished before elimination [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_403 vanished before elimination [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_414 vanished before elimination [2021-06-05 23:25:39,132 INFO L518 ElimStorePlain]: Eliminatee v_prenex_404 vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee v_prenex_415 vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee v_prenex_405 vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee v_prenex_406 vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee v_prenex_407 vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee v_prenex_408 vanished before elimination [2021-06-05 23:25:39,133 INFO L518 ElimStorePlain]: Eliminatee v_prenex_409 vanished before elimination [2021-06-05 23:25:39,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:39,133 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:1801, output treesize:5 [2021-06-05 23:25:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:39,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983613436] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:39,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:25:39,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-06-05 23:25:39,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671918824] [2021-06-05 23:25:39,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 23:25:39,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:25:39,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 23:25:39,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2021-06-05 23:25:39,143 INFO L87 Difference]: Start difference. First operand 6359 states and 22636 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:39,424 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-06-05 23:25:39,801 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2021-06-05 23:25:39,956 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2021-06-05 23:25:41,032 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-05 23:25:41,331 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-06-05 23:25:41,519 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-05 23:25:41,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:25:41,964 INFO L93 Difference]: Finished difference Result 11292 states and 39312 transitions. [2021-06-05 23:25:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 23:25:41,964 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:25:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:25:41,982 INFO L225 Difference]: With dead ends: 11292 [2021-06-05 23:25:41,982 INFO L226 Difference]: Without dead ends: 10944 [2021-06-05 23:25:41,982 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 3023.2ms TimeCoverageRelationStatistics Valid=509, Invalid=2143, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 23:25:41,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10944 states. [2021-06-05 23:25:42,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10944 to 6647. [2021-06-05 23:25:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6647 states, 6646 states have (on average 3.561841709298826) internal successors, (23672), 6646 states have internal predecessors, (23672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6647 states to 6647 states and 23672 transitions. [2021-06-05 23:25:42,106 INFO L78 Accepts]: Start accepts. Automaton has 6647 states and 23672 transitions. Word has length 33 [2021-06-05 23:25:42,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:25:42,106 INFO L482 AbstractCegarLoop]: Abstraction has 6647 states and 23672 transitions. [2021-06-05 23:25:42,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:42,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6647 states and 23672 transitions. [2021-06-05 23:25:42,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:25:42,117 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:25:42,117 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:25:42,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3188 [2021-06-05 23:25:42,330 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:25:42,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:25:42,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1766130978, now seen corresponding path program 27 times [2021-06-05 23:25:42,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:25:42,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686517992] [2021-06-05 23:25:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:25:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:25:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:42,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:25:42,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686517992] [2021-06-05 23:25:42,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686517992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:42,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744920432] [2021-06-05 23:25:42,988 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 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 [2021-06-05 23:25:43,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 23:25:43,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:25:43,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 23:25:43,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:25:43,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:25:43,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:43,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:43,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:43,140 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:25:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:43,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:43,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:43,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:43,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:43,189 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-06-05 23:25:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:43,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:43,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:43,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 23:25:43,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:43,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:43,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:43,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 23:25:43,415 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:43,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:43,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:25:43,422 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:43,492 INFO L628 ElimStorePlain]: treesize reduction 38, result has 73.2 percent of original size [2021-06-05 23:25:43,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 23:25:43,494 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:194, output treesize:74 [2021-06-05 23:25:44,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,105 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,119 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,133 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,146 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,159 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,173 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,186 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,199 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,212 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,226 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,236 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,247 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,258 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:44,270 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,282 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:44,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:44,291 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,332 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2021-06-05 23:25:45,333 INFO L628 ElimStorePlain]: treesize reduction 104, result has 93.8 percent of original size [2021-06-05 23:25:45,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,342 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,352 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,362 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,372 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,382 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,391 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,401 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,410 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,420 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,430 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,440 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:25:45,449 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,459 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,469 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,477 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:25:45,484 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,765 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-05 23:25:45,765 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:45,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:25:45,774 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:25:45,783 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:25:45,791 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:25:45,797 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,865 INFO L628 ElimStorePlain]: treesize reduction 846, result has 0.6 percent of original size [2021-06-05 23:25:45,865 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:25:45,865 INFO L518 ElimStorePlain]: Eliminatee v_prenex_418 vanished before elimination [2021-06-05 23:25:45,865 INFO L518 ElimStorePlain]: Eliminatee v_prenex_419 vanished before elimination [2021-06-05 23:25:45,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:45,865 INFO L247 ElimStorePlain]: Needed 37 recursive calls to eliminate 6 variables, input treesize:2209, output treesize:5 [2021-06-05 23:25:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:45,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744920432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:45,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:25:45,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-06-05 23:25:45,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235565190] [2021-06-05 23:25:45,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 23:25:45,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:25:45,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 23:25:45,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2021-06-05 23:25:45,875 INFO L87 Difference]: Start difference. First operand 6647 states and 23672 transitions. Second operand has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:46,891 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-06-05 23:25:47,236 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-06-05 23:25:47,474 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-05 23:25:47,626 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-05 23:25:47,889 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-06-05 23:25:48,096 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-05 23:25:48,299 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-06-05 23:25:48,445 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-06-05 23:25:48,650 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-06-05 23:25:48,786 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2021-06-05 23:25:48,971 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-06-05 23:25:49,157 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-06-05 23:25:49,378 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-06-05 23:25:49,548 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-06-05 23:25:49,736 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-06-05 23:25:49,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:25:49,805 INFO L93 Difference]: Finished difference Result 10502 states and 36902 transitions. [2021-06-05 23:25:49,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 23:25:49,805 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:25:49,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:25:49,823 INFO L225 Difference]: With dead ends: 10502 [2021-06-05 23:25:49,823 INFO L226 Difference]: Without dead ends: 10326 [2021-06-05 23:25:49,824 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 4020.7ms TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 23:25:49,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10326 states. [2021-06-05 23:25:49,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10326 to 6729. [2021-06-05 23:25:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6728 states have (on average 3.5631688466111773) internal successors, (23973), 6728 states have internal predecessors, (23973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 23973 transitions. [2021-06-05 23:25:49,975 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 23973 transitions. Word has length 33 [2021-06-05 23:25:49,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:25:49,976 INFO L482 AbstractCegarLoop]: Abstraction has 6729 states and 23973 transitions. [2021-06-05 23:25:49,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 23973 transitions. [2021-06-05 23:25:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:25:49,987 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:25:49,987 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:25:50,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3316,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:25:50,201 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:25:50,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:25:50,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1785238692, now seen corresponding path program 28 times [2021-06-05 23:25:50,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:25:50,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849389405] [2021-06-05 23:25:50,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:25:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:25:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:50,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:25:50,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849389405] [2021-06-05 23:25:50,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849389405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:50,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812839457] [2021-06-05 23:25:50,736 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 [2021-06-05 23:25:50,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:25:50,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:25:50,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:25:50,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:25:50,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:25:50,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:50,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:50,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:50,873 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:25:51,555 INFO L446 ElimStorePlain]: Different costs {1=[v_C_50], 3=[A, B]} [2021-06-05 23:25:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,573 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,582 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,591 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,601 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,609 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,619 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,628 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,637 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,647 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,656 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,667 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,676 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,686 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,695 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,706 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,716 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,770 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,780 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,791 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,801 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,812 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,823 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,833 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,844 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,854 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,864 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,874 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,885 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 23:25:51,896 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,907 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:51,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:25:51,916 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,913 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-06-05 23:25:52,914 INFO L628 ElimStorePlain]: treesize reduction 674, result has 74.7 percent of original size [2021-06-05 23:25:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:52,924 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:52,934 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:52,944 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:52,957 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:52,967 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:52,977 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:52,987 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:52,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-06-05 23:25:52,996 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:53,006 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:53,015 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:53,025 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 23:25:53,035 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:53,045 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:53,055 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:53,064 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:53,073 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-06-05 23:25:53,084 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 23:25:53,094 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:53,107 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 32 [2021-06-05 23:25:53,118 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:53,128 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 23:25:53,138 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-06-05 23:25:53,147 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-05 23:25:53,169 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,592 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-06-05 23:25:53,593 INFO L628 ElimStorePlain]: treesize reduction 456, result has 68.2 percent of original size [2021-06-05 23:25:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-06-05 23:25:53,601 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 23:25:53,610 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-05 23:25:53,619 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-05 23:25:53,627 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-05 23:25:53,635 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 41 [2021-06-05 23:25:53,643 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 23:25:53,652 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-06-05 23:25:53,674 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2021-06-05 23:25:53,687 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-06-05 23:25:53,700 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2021-06-05 23:25:53,711 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 41 [2021-06-05 23:25:53,722 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-05 23:25:53,733 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 39 [2021-06-05 23:25:53,743 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2021-06-05 23:25:53,753 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:53,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-05 23:25:53,758 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,841 INFO L628 ElimStorePlain]: treesize reduction 219, result has 26.3 percent of original size [2021-06-05 23:25:53,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 23:25:53,842 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2657, output treesize:78 [2021-06-05 23:25:53,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:25:53,909 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:25:53,913 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,921 INFO L628 ElimStorePlain]: treesize reduction 73, result has 6.4 percent of original size [2021-06-05 23:25:53,921 INFO L518 ElimStorePlain]: Eliminatee v_prenex_420 vanished before elimination [2021-06-05 23:25:53,922 INFO L518 ElimStorePlain]: Eliminatee v_prenex_421 vanished before elimination [2021-06-05 23:25:53,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:25:53,922 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 23:25:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:53,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812839457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:53,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:25:53,927 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 23:25:53,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934581705] [2021-06-05 23:25:53,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:25:53,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:25:53,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:25:53,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:25:53,928 INFO L87 Difference]: Start difference. First operand 6729 states and 23973 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:25:55,651 INFO L93 Difference]: Finished difference Result 11296 states and 39305 transitions. [2021-06-05 23:25:55,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 23:25:55,652 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:25:55,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:25:55,669 INFO L225 Difference]: With dead ends: 11296 [2021-06-05 23:25:55,669 INFO L226 Difference]: Without dead ends: 11146 [2021-06-05 23:25:55,670 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 1633.1ms TimeCoverageRelationStatistics Valid=255, Invalid=1551, Unknown=0, NotChecked=0, Total=1806 [2021-06-05 23:25:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11146 states. [2021-06-05 23:25:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11146 to 7270. [2021-06-05 23:25:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7270 states, 7269 states have (on average 3.5720181593066447) internal successors, (25965), 7269 states have internal predecessors, (25965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 25965 transitions. [2021-06-05 23:25:55,795 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 25965 transitions. Word has length 33 [2021-06-05 23:25:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:25:55,796 INFO L482 AbstractCegarLoop]: Abstraction has 7270 states and 25965 transitions. [2021-06-05 23:25:55,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:25:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 25965 transitions. [2021-06-05 23:25:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:25:55,806 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:25:55,806 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:25:56,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3476,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:25:56,007 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:25:56,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:25:56,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1191335548, now seen corresponding path program 29 times [2021-06-05 23:25:56,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:25:56,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819338326] [2021-06-05 23:25:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:25:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:25:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:25:56,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:25:56,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819338326] [2021-06-05 23:25:56,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819338326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:25:56,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002690655] [2021-06-05 23:25:56,608 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 [2021-06-05 23:25:56,637 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 23:25:56,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:25:56,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:25:56,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:25:56,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:25:56,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:56,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:56,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 23:25:56,742 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:48 [2021-06-05 23:25:57,262 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-06-05 23:25:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:57,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:25:57,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:57,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:57,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:57,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-05 23:25:57,377 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:57,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:57,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:57,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-05 23:25:57,389 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:57,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:57,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:57,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:57,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-05 23:25:57,399 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:57,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:25:57,408 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:57,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:57,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 23:25:57,416 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:57,563 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-06-05 23:25:57,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:57,580 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-05 23:25:57,580 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:499, output treesize:495 [2021-06-05 23:25:57,880 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-05 23:25:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,509 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:25:58,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,532 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:25:58,533 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:58,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,556 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:25:58,557 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:58,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:58,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:58,573 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:25:58,574 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:59,562 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-06-05 23:25:59,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:25:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,585 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 23:25:59,586 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:59,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,609 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 23:25:59,610 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,633 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:25:59,634 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:25:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:25:59,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:25:59,651 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:25:59,652 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:00,571 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-06-05 23:26:00,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:00,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,607 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:00,609 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:00,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,640 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:00,641 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:00,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,672 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:00,673 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:00,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:00,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:00,690 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:00,691 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:01,570 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2021-06-05 23:26:01,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,593 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-05 23:26:01,594 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:01,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,616 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-05 23:26:01,617 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:01,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,639 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 23:26:01,640 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:01,655 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-05 23:26:01,656 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:03,213 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 224 DAG size of output: 221 [2021-06-05 23:26:03,214 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.8 percent of original size [2021-06-05 23:26:03,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,235 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 23:26:03,236 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:03,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,256 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-05 23:26:03,257 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:03,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,277 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-05 23:26:03,278 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:03,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:03,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:03,292 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-06-05 23:26:03,293 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:04,657 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 204 DAG size of output: 201 [2021-06-05 23:26:04,658 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.5 percent of original size [2021-06-05 23:26:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,677 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:04,678 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:04,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,698 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:04,699 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:04,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,719 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:04,720 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:04,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:04,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:04,733 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:04,734 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:05,342 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-05 23:26:05,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:05,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,362 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:26:05,363 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,383 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-06-05 23:26:05,384 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,405 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:26:05,406 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:05,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:05,420 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 23:26:05,421 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:06,486 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2021-06-05 23:26:06,487 INFO L628 ElimStorePlain]: treesize reduction 40, result has 96.9 percent of original size [2021-06-05 23:26:06,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,506 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:06,507 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:06,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,526 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 23:26:06,527 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:06,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,546 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:06,547 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:06,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:06,560 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 23:26:06,561 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,026 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-05 23:26:07,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:07,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,044 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-05 23:26:07,045 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,063 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 23:26:07,064 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,081 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 23:26:07,083 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,094 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:26:07,095 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,845 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2021-06-05 23:26:07,846 INFO L628 ElimStorePlain]: treesize reduction 39, result has 96.0 percent of original size [2021-06-05 23:26:07,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,864 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:07,865 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,882 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:07,883 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,902 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:07,903 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:07,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:07,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:07,915 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 23:26:07,916 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,252 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-05 23:26:08,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:08,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,270 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-05 23:26:08,271 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,289 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 23:26:08,290 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,306 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-05 23:26:08,307 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,318 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-05 23:26:08,320 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,812 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-06-05 23:26:08,813 INFO L628 ElimStorePlain]: treesize reduction 39, result has 94.4 percent of original size [2021-06-05 23:26:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,848 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-05 23:26:08,849 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,871 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-05 23:26:08,872 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,895 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 23:26:08,897 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:08,911 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-05 23:26:08,912 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:09,314 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-05 23:26:09,315 INFO L628 ElimStorePlain]: treesize reduction 39, result has 92.2 percent of original size [2021-06-05 23:26:09,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 12 dim-1 vars, End of recursive call: 24 dim-0 vars, and 12 xjuncts. [2021-06-05 23:26:09,344 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 24 variables, input treesize:2193, output treesize:460 [2021-06-05 23:26:09,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:09,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:09,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-05 23:26:09,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:09,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:09,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:26:09,933 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:10,038 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2021-06-05 23:26:10,038 INFO L628 ElimStorePlain]: treesize reduction 83, result has 63.1 percent of original size [2021-06-05 23:26:10,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:10,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 23:26:10,044 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:10,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:10,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:10,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:26:10,090 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:10,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:10,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:26:10,096 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:10,147 INFO L628 ElimStorePlain]: treesize reduction 17, result has 83.0 percent of original size [2021-06-05 23:26:10,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:10,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:10,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:10,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:26:10,153 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:10,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:10,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:10,175 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:277, output treesize:5 [2021-06-05 23:26:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:10,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002690655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:10,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:26:10,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-06-05 23:26:10,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230395141] [2021-06-05 23:26:10,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 23:26:10,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:26:10,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 23:26:10,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2021-06-05 23:26:10,181 INFO L87 Difference]: Start difference. First operand 7270 states and 25965 transitions. Second operand has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:11,178 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-06-05 23:26:11,842 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-06-05 23:26:12,521 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2021-06-05 23:26:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:26:13,327 INFO L93 Difference]: Finished difference Result 12100 states and 42051 transitions. [2021-06-05 23:26:13,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 23:26:13,327 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:26:13,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:26:13,347 INFO L225 Difference]: With dead ends: 12100 [2021-06-05 23:26:13,347 INFO L226 Difference]: Without dead ends: 11890 [2021-06-05 23:26:13,348 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 3493.6ms TimeCoverageRelationStatistics Valid=352, Invalid=2198, Unknown=0, NotChecked=0, Total=2550 [2021-06-05 23:26:13,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11890 states. [2021-06-05 23:26:13,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11890 to 7550. [2021-06-05 23:26:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7550 states, 7549 states have (on average 3.562723539541661) internal successors, (26895), 7549 states have internal predecessors, (26895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7550 states to 7550 states and 26895 transitions. [2021-06-05 23:26:13,475 INFO L78 Accepts]: Start accepts. Automaton has 7550 states and 26895 transitions. Word has length 33 [2021-06-05 23:26:13,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:26:13,475 INFO L482 AbstractCegarLoop]: Abstraction has 7550 states and 26895 transitions. [2021-06-05 23:26:13,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 7550 states and 26895 transitions. [2021-06-05 23:26:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:26:13,485 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:26:13,485 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:26:13,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3582 [2021-06-05 23:26:13,689 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:26:13,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:26:13,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1594024776, now seen corresponding path program 30 times [2021-06-05 23:26:13,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:26:13,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113003530] [2021-06-05 23:26:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:26:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:26:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:14,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:26:14,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113003530] [2021-06-05 23:26:14,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113003530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:14,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814690087] [2021-06-05 23:26:14,309 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 [2021-06-05 23:26:14,343 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 23:26:14,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:26:14,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-05 23:26:14,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:26:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:26:14,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:14,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,444 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:26:14,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 23:26:14,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 23:26:14,596 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 23:26:14,603 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 23:26:14,610 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 23:26:14,617 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 23:26:14,623 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 23:26:14,630 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 23:26:14,635 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:14,837 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-06-05 23:26:14,837 INFO L628 ElimStorePlain]: treesize reduction 198, result has 65.4 percent of original size [2021-06-05 23:26:14,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-05 23:26:14,839 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:577, output treesize:375 [2021-06-05 23:26:15,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-05 23:26:15,012 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-05 23:26:15,018 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,387 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-06-05 23:26:15,387 INFO L628 ElimStorePlain]: treesize reduction 132, result has 83.9 percent of original size [2021-06-05 23:26:15,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 23:26:15,395 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:26:15,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,567 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-05 23:26:15,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:15,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 23:26:15,574 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:26:15,580 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,732 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-05 23:26:15,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:15,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-05 23:26:15,739 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 23:26:15,744 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,882 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-05 23:26:15,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:15,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-05 23:26:15,888 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:15,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-05 23:26:15,893 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:16,017 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-06-05 23:26:16,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:16,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-05 23:26:16,023 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:16,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-06-05 23:26:16,027 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:16,136 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 23:26:16,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:16,138 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-05 23:26:16,138 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:853, output treesize:509 [2021-06-05 23:26:16,276 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 23:26:16,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:16,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:16,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:16,697 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:16,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:16,718 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:16,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:16,733 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:18,081 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 295 [2021-06-05 23:26:18,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:18,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:18,101 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:18,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:18,119 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:18,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:18,138 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:18,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 23:26:18,152 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:20,592 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2021-06-05 23:26:20,593 INFO L628 ElimStorePlain]: treesize reduction 69, result has 97.0 percent of original size [2021-06-05 23:26:20,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:26:20,611 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:20,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:26:20,625 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:21,887 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 271 DAG size of output: 208 [2021-06-05 23:26:21,888 INFO L628 ElimStorePlain]: treesize reduction 1043, result has 52.0 percent of original size [2021-06-05 23:26:21,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:26:21,897 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:22,023 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 5 [2021-06-05 23:26:22,023 INFO L628 ElimStorePlain]: treesize reduction 1102, result has 0.5 percent of original size [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_482 vanished before elimination [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_472 vanished before elimination [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_483 vanished before elimination [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_473 vanished before elimination [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_484 vanished before elimination [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_474 vanished before elimination [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_485 vanished before elimination [2021-06-05 23:26:22,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_486 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_475 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_487 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_476 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_477 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_466 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_478 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_467 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_479 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_468 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee v_prenex_469 vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:26:22,024 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:26:22,025 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:22,025 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 24 variables, input treesize:2561, output treesize:5 [2021-06-05 23:26:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:22,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814690087] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:22,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:26:22,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 23:26:22,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870567496] [2021-06-05 23:26:22,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:26:22,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:26:22,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:26:22,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:26:22,034 INFO L87 Difference]: Start difference. First operand 7550 states and 26895 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:22,255 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-06-05 23:26:23,075 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-06-05 23:26:23,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:26:23,163 INFO L93 Difference]: Finished difference Result 11685 states and 40866 transitions. [2021-06-05 23:26:23,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-05 23:26:23,164 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:26:23,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:26:23,183 INFO L225 Difference]: With dead ends: 11685 [2021-06-05 23:26:23,183 INFO L226 Difference]: Without dead ends: 11494 [2021-06-05 23:26:23,184 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1595.4ms TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 23:26:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11494 states. [2021-06-05 23:26:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11494 to 7586. [2021-06-05 23:26:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7586 states, 7585 states have (on average 3.5632168754119973) internal successors, (27027), 7585 states have internal predecessors, (27027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 27027 transitions. [2021-06-05 23:26:23,310 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 27027 transitions. Word has length 33 [2021-06-05 23:26:23,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:26:23,310 INFO L482 AbstractCegarLoop]: Abstraction has 7586 states and 27027 transitions. [2021-06-05 23:26:23,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 27027 transitions. [2021-06-05 23:26:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:26:23,320 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:26:23,320 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:26:23,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3709 [2021-06-05 23:26:23,521 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:26:23,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:26:23,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096704, now seen corresponding path program 31 times [2021-06-05 23:26:23,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:26:23,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737681549] [2021-06-05 23:26:23,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:26:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:26:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:24,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:26:24,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737681549] [2021-06-05 23:26:24,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737681549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:24,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916822215] [2021-06-05 23:26:24,074 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 [2021-06-05 23:26:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:26:24,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:26:24,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:26:24,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:26:24,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:24,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:24,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:24,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:26:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:24,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 23:26:24,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:24,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:24,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:26:24,330 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:24,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:24,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 23:26:24,358 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-06-05 23:26:25,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:25,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:25,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:25,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:25,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:25,681 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:25,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:25,692 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:26,674 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-06-05 23:26:26,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:26,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 23:26:26,702 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:26,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 23:26:26,723 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:26,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 23:26:26,742 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:26,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2021-06-05 23:26:26,759 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,513 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 75 [2021-06-05 23:26:27,514 INFO L628 ElimStorePlain]: treesize reduction 1428, result has 30.6 percent of original size [2021-06-05 23:26:27,514 INFO L518 ElimStorePlain]: Eliminatee v_prenex_492 vanished before elimination [2021-06-05 23:26:27,514 INFO L518 ElimStorePlain]: Eliminatee v_prenex_493 vanished before elimination [2021-06-05 23:26:27,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:27,522 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:27,530 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:27,538 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 23:26:27,543 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,694 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-05 23:26:27,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:27,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:26:27,702 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:26:27,713 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:26:27,721 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 23:26:27,725 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,798 INFO L628 ElimStorePlain]: treesize reduction 382, result has 15.5 percent of original size [2021-06-05 23:26:27,798 INFO L518 ElimStorePlain]: Eliminatee v_prenex_496 vanished before elimination [2021-06-05 23:26:27,798 INFO L518 ElimStorePlain]: Eliminatee v_prenex_497 vanished before elimination [2021-06-05 23:26:27,798 INFO L518 ElimStorePlain]: Eliminatee v_prenex_498 vanished before elimination [2021-06-05 23:26:27,798 INFO L518 ElimStorePlain]: Eliminatee v_prenex_499 vanished before elimination [2021-06-05 23:26:27,798 INFO L518 ElimStorePlain]: Eliminatee v_prenex_488 vanished before elimination [2021-06-05 23:26:27,798 INFO L518 ElimStorePlain]: Eliminatee v_prenex_489 vanished before elimination [2021-06-05 23:26:27,799 INFO L518 ElimStorePlain]: Eliminatee v_prenex_500 vanished before elimination [2021-06-05 23:26:27,799 INFO L518 ElimStorePlain]: Eliminatee v_prenex_501 vanished before elimination [2021-06-05 23:26:27,799 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:26:27,799 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:26:27,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 23:26:27,800 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:2273, output treesize:70 [2021-06-05 23:26:27,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 23:26:27,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:27,875 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,883 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-06-05 23:26:27,883 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 23:26:27,883 INFO L518 ElimStorePlain]: Eliminatee v_prenex_502 vanished before elimination [2021-06-05 23:26:27,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:27,884 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 23:26:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:27,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916822215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:27,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:26:27,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 23:26:27,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139112805] [2021-06-05 23:26:27,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:26:27,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:26:27,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:26:27,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:26:27,889 INFO L87 Difference]: Start difference. First operand 7586 states and 27027 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:29,144 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-06-05 23:26:30,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:26:30,640 INFO L93 Difference]: Finished difference Result 12684 states and 44107 transitions. [2021-06-05 23:26:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 23:26:30,641 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:26:30,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:26:30,661 INFO L225 Difference]: With dead ends: 12684 [2021-06-05 23:26:30,662 INFO L226 Difference]: Without dead ends: 12540 [2021-06-05 23:26:30,662 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 2339.7ms TimeCoverageRelationStatistics Valid=381, Invalid=2271, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 23:26:30,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12540 states. [2021-06-05 23:26:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12540 to 8009. [2021-06-05 23:26:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8009 states, 8008 states have (on average 3.5752997002997002) internal successors, (28631), 8008 states have internal predecessors, (28631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 28631 transitions. [2021-06-05 23:26:30,796 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 28631 transitions. Word has length 33 [2021-06-05 23:26:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:26:30,796 INFO L482 AbstractCegarLoop]: Abstraction has 8009 states and 28631 transitions. [2021-06-05 23:26:30,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 28631 transitions. [2021-06-05 23:26:30,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:26:30,807 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:26:30,807 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:26:31,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3815,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:26:31,008 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:26:31,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:26:31,008 INFO L82 PathProgramCache]: Analyzing trace with hash -919407476, now seen corresponding path program 32 times [2021-06-05 23:26:31,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:26:31,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157172170] [2021-06-05 23:26:31,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:26:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:26:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:31,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:26:31,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157172170] [2021-06-05 23:26:31,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157172170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:31,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309231103] [2021-06-05 23:26:31,598 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 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 [2021-06-05 23:26:31,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:26:31,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:26:31,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:26:31,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:26:31,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:26:31,716 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:31,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:31,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:31,726 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:26:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:31,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:31,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-05 23:26:31,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:31,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:26:31,817 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:31,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:31,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 23:26:31,845 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-06-05 23:26:32,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:26:32,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:26:32,036 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:26:32,042 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:26:32,048 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:26:32,054 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:26:32,060 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:26:32,081 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 23:26:32,088 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,375 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-06-05 23:26:32,376 INFO L628 ElimStorePlain]: treesize reduction 461, result has 55.4 percent of original size [2021-06-05 23:26:32,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 23:26:32,382 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 23:26:32,387 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:32,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 23:26:32,392 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:32,587 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-05 23:26:32,588 INFO L628 ElimStorePlain]: treesize reduction 45, result has 90.8 percent of original size [2021-06-05 23:26:32,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 23:26:32,589 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:1177, output treesize:443 [2021-06-05 23:26:33,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:33,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:34,343 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 680 [2021-06-05 23:26:34,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:34,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:34,373 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:35,218 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2021-06-05 23:26:35,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:35,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:26:35,248 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:36,042 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 342 [2021-06-05 23:26:36,043 INFO L628 ElimStorePlain]: treesize reduction 868, result has 51.3 percent of original size [2021-06-05 23:26:36,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:36,058 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:36,407 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2021-06-05 23:26:36,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:36,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:26:36,421 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:36,468 INFO L628 ElimStorePlain]: treesize reduction 867, result has 0.6 percent of original size [2021-06-05 23:26:36,468 INFO L518 ElimStorePlain]: Eliminatee v_prenex_520 vanished before elimination [2021-06-05 23:26:36,468 INFO L518 ElimStorePlain]: Eliminatee v_prenex_565 vanished before elimination [2021-06-05 23:26:36,468 INFO L518 ElimStorePlain]: Eliminatee v_prenex_521 vanished before elimination [2021-06-05 23:26:36,468 INFO L518 ElimStorePlain]: Eliminatee v_prenex_566 vanished before elimination [2021-06-05 23:26:36,468 INFO L518 ElimStorePlain]: Eliminatee v_prenex_522 vanished before elimination [2021-06-05 23:26:36,468 INFO L518 ElimStorePlain]: Eliminatee v_prenex_567 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_523 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_568 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_524 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_558 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_514 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_515 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_559 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_516 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_517 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_518 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_519 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_550 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_551 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_552 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_553 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_510 vanished before elimination [2021-06-05 23:26:36,469 INFO L518 ElimStorePlain]: Eliminatee v_prenex_554 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_555 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_511 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_556 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_512 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_557 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_513 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_547 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_548 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_549 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_505 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_506 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_507 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_508 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_509 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_580 vanished before elimination [2021-06-05 23:26:36,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_581 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_582 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_540 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_541 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_542 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_543 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_544 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_545 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_546 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_536 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_537 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_538 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_539 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_570 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_571 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_572 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_573 vanished before elimination [2021-06-05 23:26:36,471 INFO L518 ElimStorePlain]: Eliminatee v_prenex_530 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_574 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_575 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_531 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_576 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_532 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_533 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_577 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_534 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_578 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_579 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_535 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_525 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_569 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_526 vanished before elimination [2021-06-05 23:26:36,472 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:26:36,473 INFO L518 ElimStorePlain]: Eliminatee v_prenex_527 vanished before elimination [2021-06-05 23:26:36,473 INFO L518 ElimStorePlain]: Eliminatee v_prenex_528 vanished before elimination [2021-06-05 23:26:36,473 INFO L518 ElimStorePlain]: Eliminatee v_prenex_529 vanished before elimination [2021-06-05 23:26:36,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:36,473 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 80 variables, input treesize:1841, output treesize:5 [2021-06-05 23:26:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:36,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309231103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:36,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:26:36,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 23:26:36,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42080367] [2021-06-05 23:26:36,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 23:26:36,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:26:36,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 23:26:36,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-06-05 23:26:36,483 INFO L87 Difference]: Start difference. First operand 8009 states and 28631 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:37,253 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 23:26:37,817 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2021-06-05 23:26:38,796 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 23:26:39,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:26:39,376 INFO L93 Difference]: Finished difference Result 13143 states and 45967 transitions. [2021-06-05 23:26:39,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 23:26:39,377 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:26:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:26:39,403 INFO L225 Difference]: With dead ends: 13143 [2021-06-05 23:26:39,403 INFO L226 Difference]: Without dead ends: 12925 [2021-06-05 23:26:39,403 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 2838.0ms TimeCoverageRelationStatistics Valid=421, Invalid=2029, Unknown=0, NotChecked=0, Total=2450 [2021-06-05 23:26:39,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2021-06-05 23:26:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 7909. [2021-06-05 23:26:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7909 states, 7908 states have (on average 3.5706879109762264) internal successors, (28237), 7908 states have internal predecessors, (28237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7909 states to 7909 states and 28237 transitions. [2021-06-05 23:26:39,540 INFO L78 Accepts]: Start accepts. Automaton has 7909 states and 28237 transitions. Word has length 33 [2021-06-05 23:26:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:26:39,540 INFO L482 AbstractCegarLoop]: Abstraction has 7909 states and 28237 transitions. [2021-06-05 23:26:39,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 7909 states and 28237 transitions. [2021-06-05 23:26:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:26:39,550 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:26:39,550 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:26:39,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4116,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:26:39,751 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:26:39,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:26:39,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1958616328, now seen corresponding path program 33 times [2021-06-05 23:26:39,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:26:39,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113680424] [2021-06-05 23:26:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:26:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:26:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:40,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:26:40,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113680424] [2021-06-05 23:26:40,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113680424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:40,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790797061] [2021-06-05 23:26:40,357 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 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 [2021-06-05 23:26:40,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 23:26:40,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:26:40,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-05 23:26:40,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:26:40,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 23:26:40,487 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:40,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:40,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:40,498 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 23:26:40,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:40,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 23:26:40,580 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:40,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:26:40,585 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:40,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:40,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 23:26:40,614 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-06-05 23:26:40,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:40,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:40,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 44 [2021-06-05 23:26:40,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-05 23:26:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:40,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 23:26:40,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 23:26:40,849 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:40,948 INFO L628 ElimStorePlain]: treesize reduction 128, result has 54.3 percent of original size [2021-06-05 23:26:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:40,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-05 23:26:40,953 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:40,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:40,990 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 23:26:40,990 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:271, output treesize:156 [2021-06-05 23:26:42,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,753 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,776 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,787 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,799 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,810 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,821 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,832 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,843 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,855 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,866 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,876 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,888 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:42,899 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:42,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:42,907 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:44,973 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-05 23:26:44,973 INFO L628 ElimStorePlain]: treesize reduction 148, result has 94.8 percent of original size [2021-06-05 23:26:44,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:26:44,984 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:44,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 23:26:44,994 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:26:45,004 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:26:45,012 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,644 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2021-06-05 23:26:45,644 INFO L628 ElimStorePlain]: treesize reduction 1841, result has 29.1 percent of original size [2021-06-05 23:26:45,645 INFO L518 ElimStorePlain]: Eliminatee v_prenex_584 vanished before elimination [2021-06-05 23:26:45,645 INFO L518 ElimStorePlain]: Eliminatee v_prenex_585 vanished before elimination [2021-06-05 23:26:45,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-05 23:26:45,651 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,655 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-05 23:26:45,661 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,664 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-05 23:26:45,671 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,674 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-06-05 23:26:45,681 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,684 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,684 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,688 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,691 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,693 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,694 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,697 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,700 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,703 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,706 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,709 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:45,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-06-05 23:26:45,755 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,757 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,759 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:26:45,762 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:45,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:45,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 23:26:45,772 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 6 variables, input treesize:3473, output treesize:28 [2021-06-05 23:26:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:45,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790797061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:45,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:26:45,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 23:26:45,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957523877] [2021-06-05 23:26:45,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 23:26:45,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:26:45,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 23:26:45,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2021-06-05 23:26:45,817 INFO L87 Difference]: Start difference. First operand 7909 states and 28237 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:47,156 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2021-06-05 23:26:48,278 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-05 23:26:48,447 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-05 23:26:48,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:26:48,501 INFO L93 Difference]: Finished difference Result 11809 states and 41370 transitions. [2021-06-05 23:26:48,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 23:26:48,502 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:26:48,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:26:48,520 INFO L225 Difference]: With dead ends: 11809 [2021-06-05 23:26:48,520 INFO L226 Difference]: Without dead ends: 11668 [2021-06-05 23:26:48,521 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2866.2ms TimeCoverageRelationStatistics Valid=365, Invalid=2391, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 23:26:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2021-06-05 23:26:48,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 7941. [2021-06-05 23:26:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 7940 states have (on average 3.566876574307305) internal successors, (28321), 7940 states have internal predecessors, (28321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 28321 transitions. [2021-06-05 23:26:48,639 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 28321 transitions. Word has length 33 [2021-06-05 23:26:48,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:26:48,639 INFO L482 AbstractCegarLoop]: Abstraction has 7941 states and 28321 transitions. [2021-06-05 23:26:48,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:48,639 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 28321 transitions. [2021-06-05 23:26:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 23:26:48,649 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:26:48,650 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:26:48,861 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4146 [2021-06-05 23:26:48,862 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:26:48,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:26:48,862 INFO L82 PathProgramCache]: Analyzing trace with hash -617777642, now seen corresponding path program 34 times [2021-06-05 23:26:48,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:26:48,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275495878] [2021-06-05 23:26:48,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:26:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:26:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:49,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:26:49,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275495878] [2021-06-05 23:26:49,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275495878] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:49,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429777029] [2021-06-05 23:26:49,255 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 [2021-06-05 23:26:49,292 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:26:49,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:26:49,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 23:26:49,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:26:49,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:26:49,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:49,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:49,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:49,374 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 23:26:49,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:49,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:26:49,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:49,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-05 23:26:49,459 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:49,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:49,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 23:26:49,487 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-06-05 23:26:49,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:49,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-05 23:26:49,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:49,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:49,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2021-06-05 23:26:49,561 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:49,607 INFO L628 ElimStorePlain]: treesize reduction 77, result has 56.0 percent of original size [2021-06-05 23:26:49,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:26:49,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 23:26:49,611 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:49,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:49,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 23:26:49,628 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:219, output treesize:74 [2021-06-05 23:26:51,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:51,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:51,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:51,119 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:51,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:51,137 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:51,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:51,150 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:53,695 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 287 DAG size of output: 284 [2021-06-05 23:26:53,696 INFO L628 ElimStorePlain]: treesize reduction 50, result has 97.7 percent of original size [2021-06-05 23:26:53,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:53,713 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:53,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:53,730 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:53,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:53,747 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:53,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 23:26:53,760 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:54,895 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-05 23:26:54,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:26:54,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:26:54,912 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:54,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:26:54,926 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:56,932 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-05 23:26:56,932 INFO L628 ElimStorePlain]: treesize reduction 140, result has 92.7 percent of original size [2021-06-05 23:26:56,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:56,948 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:56,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:56,963 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:56,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 23:26:56,974 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:58,720 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2021-06-05 23:26:58,721 INFO L628 ElimStorePlain]: treesize reduction 25, result has 98.5 percent of original size [2021-06-05 23:26:58,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:26:58,736 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:58,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-06-05 23:26:58,746 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:26:59,097 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 5 [2021-06-05 23:26:59,097 INFO L628 ElimStorePlain]: treesize reduction 1640, result has 0.3 percent of original size [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_595 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_596 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_597 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_598 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_610 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_599 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_600 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_589 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_601 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_602 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_603 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_604 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_605 vanished before elimination [2021-06-05 23:26:59,098 INFO L518 ElimStorePlain]: Eliminatee v_prenex_606 vanished before elimination [2021-06-05 23:26:59,099 INFO L518 ElimStorePlain]: Eliminatee v_prenex_607 vanished before elimination [2021-06-05 23:26:59,099 INFO L518 ElimStorePlain]: Eliminatee v_prenex_608 vanished before elimination [2021-06-05 23:26:59,099 INFO L518 ElimStorePlain]: Eliminatee v_prenex_609 vanished before elimination [2021-06-05 23:26:59,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 23:26:59,099 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 24 variables, input treesize:2209, output treesize:5 [2021-06-05 23:26:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:26:59,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429777029] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:26:59,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:26:59,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 23:26:59,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901374772] [2021-06-05 23:26:59,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 23:26:59,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:26:59,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 23:26:59,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-06-05 23:26:59,108 INFO L87 Difference]: Start difference. First operand 7941 states and 28321 transitions. Second operand has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:26:59,390 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-06-05 23:27:00,876 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-06-05 23:27:01,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:27:01,119 INFO L93 Difference]: Finished difference Result 13846 states and 47410 transitions. [2021-06-05 23:27:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 23:27:01,119 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 23:27:01,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:27:01,141 INFO L225 Difference]: With dead ends: 13846 [2021-06-05 23:27:01,141 INFO L226 Difference]: Without dead ends: 13580 [2021-06-05 23:27:01,142 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 1932.3ms TimeCoverageRelationStatistics Valid=413, Invalid=1749, Unknown=0, NotChecked=0, Total=2162 [2021-06-05 23:27:01,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2021-06-05 23:27:01,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 7897. [2021-06-05 23:27:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7897 states, 7896 states have (on average 3.5713019250253293) internal successors, (28199), 7896 states have internal predecessors, (28199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 28199 transitions. [2021-06-05 23:27:01,286 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 28199 transitions. Word has length 33 [2021-06-05 23:27:01,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:27:01,286 INFO L482 AbstractCegarLoop]: Abstraction has 7897 states and 28199 transitions. [2021-06-05 23:27:01,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 28199 transitions. [2021-06-05 23:27:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:27:01,296 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:27:01,296 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:27:01,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4720,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:27:01,518 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:27:01,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:27:01,518 INFO L82 PathProgramCache]: Analyzing trace with hash -302436886, now seen corresponding path program 35 times [2021-06-05 23:27:01,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:27:01,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296337666] [2021-06-05 23:27:01,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:27:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:27:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:27:01,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:27:01,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296337666] [2021-06-05 23:27:01,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296337666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:01,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340362684] [2021-06-05 23:27:01,546 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 [2021-06-05 23:27:01,588 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 23:27:01,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:27:01,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:27:01,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:27:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:27:01,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340362684] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:01,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:27:01,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-05 23:27:01,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025032529] [2021-06-05 23:27:01,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 23:27:01,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:27:01,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 23:27:01,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 23:27:01,626 INFO L87 Difference]: Start difference. First operand 7897 states and 28199 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:01,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:27:01,769 INFO L93 Difference]: Finished difference Result 12284 states and 42934 transitions. [2021-06-05 23:27:01,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 23:27:01,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:27:01,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:27:01,795 INFO L225 Difference]: With dead ends: 12284 [2021-06-05 23:27:01,796 INFO L226 Difference]: Without dead ends: 12248 [2021-06-05 23:27:01,796 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-05 23:27:01,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12248 states. [2021-06-05 23:27:01,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12248 to 10329. [2021-06-05 23:27:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10329 states, 10328 states have (on average 3.621998450813323) internal successors, (37408), 10328 states have internal predecessors, (37408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10329 states to 10329 states and 37408 transitions. [2021-06-05 23:27:02,036 INFO L78 Accepts]: Start accepts. Automaton has 10329 states and 37408 transitions. Word has length 35 [2021-06-05 23:27:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:27:02,036 INFO L482 AbstractCegarLoop]: Abstraction has 10329 states and 37408 transitions. [2021-06-05 23:27:02,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 10329 states and 37408 transitions. [2021-06-05 23:27:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:27:02,050 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:27:02,050 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:27:02,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5155 [2021-06-05 23:27:02,251 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:27:02,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:27:02,252 INFO L82 PathProgramCache]: Analyzing trace with hash 612932962, now seen corresponding path program 36 times [2021-06-05 23:27:02,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:27:02,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188646166] [2021-06-05 23:27:02,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:27:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:27:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:27:02,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:27:02,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188646166] [2021-06-05 23:27:02,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188646166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:02,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754700604] [2021-06-05 23:27:02,273 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 [2021-06-05 23:27:02,336 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 23:27:02,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:27:02,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:27:02,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:27:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:27:02,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754700604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:02,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:27:02,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 23:27:02,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543961197] [2021-06-05 23:27:02,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 23:27:02,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:27:02,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 23:27:02,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 23:27:02,376 INFO L87 Difference]: Start difference. First operand 10329 states and 37408 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:02,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:27:02,467 INFO L93 Difference]: Finished difference Result 11882 states and 41775 transitions. [2021-06-05 23:27:02,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 23:27:02,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:27:02,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:27:02,486 INFO L225 Difference]: With dead ends: 11882 [2021-06-05 23:27:02,486 INFO L226 Difference]: Without dead ends: 11882 [2021-06-05 23:27:02,486 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 23:27:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11882 states. [2021-06-05 23:27:02,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11882 to 9465. [2021-06-05 23:27:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9465 states, 9464 states have (on average 3.5864327979712596) internal successors, (33942), 9464 states have internal predecessors, (33942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9465 states to 9465 states and 33942 transitions. [2021-06-05 23:27:02,646 INFO L78 Accepts]: Start accepts. Automaton has 9465 states and 33942 transitions. Word has length 35 [2021-06-05 23:27:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:27:02,646 INFO L482 AbstractCegarLoop]: Abstraction has 9465 states and 33942 transitions. [2021-06-05 23:27:02,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9465 states and 33942 transitions. [2021-06-05 23:27:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:27:02,658 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:27:02,658 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:27:02,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5156 [2021-06-05 23:27:02,858 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:27:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:27:02,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1946736312, now seen corresponding path program 37 times [2021-06-05 23:27:02,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:27:02,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762877883] [2021-06-05 23:27:02,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:27:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:27:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:27:02,878 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:27:02,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762877883] [2021-06-05 23:27:02,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762877883] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:02,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086012477] [2021-06-05 23:27:02,879 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 [2021-06-05 23:27:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:27:02,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:27:02,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:27:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:27:02,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086012477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:02,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:27:02,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 23:27:02,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866258892] [2021-06-05 23:27:02,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 23:27:02,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:27:02,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 23:27:02,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 23:27:02,958 INFO L87 Difference]: Start difference. First operand 9465 states and 33942 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:03,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:27:03,059 INFO L93 Difference]: Finished difference Result 13818 states and 48445 transitions. [2021-06-05 23:27:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 23:27:03,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:27:03,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:27:03,082 INFO L225 Difference]: With dead ends: 13818 [2021-06-05 23:27:03,083 INFO L226 Difference]: Without dead ends: 13785 [2021-06-05 23:27:03,083 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 21.2ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 23:27:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13785 states. [2021-06-05 23:27:03,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13785 to 11062. [2021-06-05 23:27:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11061 states have (on average 3.6520206129644697) internal successors, (40395), 11061 states have internal predecessors, (40395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 40395 transitions. [2021-06-05 23:27:03,311 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 40395 transitions. Word has length 35 [2021-06-05 23:27:03,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:27:03,311 INFO L482 AbstractCegarLoop]: Abstraction has 11062 states and 40395 transitions. [2021-06-05 23:27:03,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 40395 transitions. [2021-06-05 23:27:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:27:03,325 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:27:03,325 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:27:03,526 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5157 [2021-06-05 23:27:03,526 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:27:03,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:27:03,526 INFO L82 PathProgramCache]: Analyzing trace with hash 698919468, now seen corresponding path program 38 times [2021-06-05 23:27:03,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:27:03,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267315345] [2021-06-05 23:27:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:27:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:27:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:27:03,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:27:03,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267315345] [2021-06-05 23:27:03,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267315345] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:03,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370540958] [2021-06-05 23:27:03,548 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 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 [2021-06-05 23:27:03,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:27:03,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:27:03,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:27:03,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:27:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:27:03,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370540958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:03,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:27:03,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 23:27:03,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979277570] [2021-06-05 23:27:03,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 23:27:03,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:27:03,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 23:27:03,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 23:27:03,617 INFO L87 Difference]: Start difference. First operand 11062 states and 40395 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:27:03,715 INFO L93 Difference]: Finished difference Result 14568 states and 51142 transitions. [2021-06-05 23:27:03,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 23:27:03,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:27:03,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:27:03,740 INFO L225 Difference]: With dead ends: 14568 [2021-06-05 23:27:03,740 INFO L226 Difference]: Without dead ends: 14568 [2021-06-05 23:27:03,740 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 23:27:03,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14568 states. [2021-06-05 23:27:03,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14568 to 11105. [2021-06-05 23:27:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11105 states, 11104 states have (on average 3.649315561959654) internal successors, (40522), 11104 states have internal predecessors, (40522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 40522 transitions. [2021-06-05 23:27:03,931 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 40522 transitions. Word has length 35 [2021-06-05 23:27:03,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:27:03,931 INFO L482 AbstractCegarLoop]: Abstraction has 11105 states and 40522 transitions. [2021-06-05 23:27:03,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:27:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 40522 transitions. [2021-06-05 23:27:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:27:03,946 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:27:03,946 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:27:04,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5158,38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:27:04,147 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:27:04,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:27:04,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1570214760, now seen corresponding path program 39 times [2021-06-05 23:27:04,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:27:04,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147052734] [2021-06-05 23:27:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:27:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:27:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:27:04,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:27:04,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147052734] [2021-06-05 23:27:04,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147052734] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:27:04,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482936957] [2021-06-05 23:27:04,169 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:27:04,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 23:27:04,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:27:04,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-05 23:27:04,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:27:04,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:27:04,379 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:04,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:27:04,385 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:04,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:27:04,391 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:04,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:27:04,397 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:04,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:04,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 23:27:04,483 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:245, output treesize:241 [2021-06-05 23:27:05,453 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-05 23:27:06,292 INFO L446 ElimStorePlain]: Different costs {1=[v_C_64], 190=[A, B]} [2021-06-05 23:27:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,340 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,356 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,372 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,388 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,405 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,421 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,437 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,453 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,469 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,485 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,501 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,517 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,533 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:06,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 23:27:06,549 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:07,058 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-06-05 23:27:07,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:07,157 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:07,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,225 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 23:27:07,235 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,303 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 23:27:07,313 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:07,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:07,441 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:07,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,517 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:07,559 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,642 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:07,692 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,846 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:07,907 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:07,988 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:07,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 23:27:08,013 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,093 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:08,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 23:27:08,110 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:08,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,198 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:08,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 23:27:08,218 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,303 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:08,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:08,373 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,500 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:08,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 23:27:08,514 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:08,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:08,662 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:08,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,764 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:08,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 23:27:08,784 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,877 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:08,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 23:27:08,928 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:08,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:09,009 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:09,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 23:27:09,019 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:27:14,038 WARN L205 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 648 DAG size of output: 443 [2021-06-05 23:27:14,039 INFO L628 ElimStorePlain]: treesize reduction 4722, result has 47.7 percent of original size [2021-06-05 23:27:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:14,112 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:14,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 277 treesize of output 267 [2021-06-05 23:27:14,681 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 4 xjuncts. [2021-06-05 23:27:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:14,767 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:14,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 275 [2021-06-05 23:27:15,394 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 6 xjuncts. [2021-06-05 23:27:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:15,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:15,493 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:15,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 206 treesize of output 210 [2021-06-05 23:27:16,348 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 5 xjuncts. [2021-06-05 23:27:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:16,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:16,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:16,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 261 treesize of output 249 [2021-06-05 23:27:16,960 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 5 xjuncts. [2021-06-05 23:27:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:17,081 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:17,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 325 treesize of output 303 [2021-06-05 23:27:17,901 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-06-05 23:27:18,010 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-06-05 23:27:18,134 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 387 [2021-06-05 23:27:18,631 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-05 23:27:18,740 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-05 23:27:18,853 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-05 23:27:18,872 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-06-05 23:27:18,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:18,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:18,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:19,009 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:19,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 221 treesize of output 223 [2021-06-05 23:27:19,590 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-06-05 23:27:19,699 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-06-05 23:27:19,827 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 315 [2021-06-05 23:27:20,979 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-05 23:27:21,152 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-05 23:27:21,335 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-05 23:27:21,362 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 6 xjuncts. [2021-06-05 23:27:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:21,507 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:21,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 327 treesize of output 301 [2021-06-05 23:27:22,186 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 477 [2021-06-05 23:27:22,862 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-05 23:27:22,987 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-05 23:27:23,116 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-05 23:27:23,138 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2021-06-05 23:27:23,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:23,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:23,309 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:23,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 223 [2021-06-05 23:27:23,776 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-06-05 23:27:23,883 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-06-05 23:27:23,994 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-06-05 23:27:24,853 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 231 [2021-06-05 23:27:25,463 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-05 23:27:25,657 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-05 23:27:25,895 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-05 23:27:25,923 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 5 xjuncts. [2021-06-05 23:27:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:25,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:26,106 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:26,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 165 treesize of output 181 [2021-06-05 23:27:26,586 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 4 xjuncts. [2021-06-05 23:27:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:26,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:26,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 207 treesize of output 213 [2021-06-05 23:27:27,170 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 5 xjuncts. [2021-06-05 23:27:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:27,365 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:27,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 280 treesize of output 270 [2021-06-05 23:27:27,864 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:27,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:28,056 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:28,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 217 treesize of output 223 [2021-06-05 23:27:29,292 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-05 23:27:29,402 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-05 23:27:29,514 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-05 23:27:29,534 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-06-05 23:27:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:29,742 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:29,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 192 treesize of output 200 [2021-06-05 23:27:30,353 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2021-06-05 23:27:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:30,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:30,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 221 [2021-06-05 23:27:31,922 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-05 23:27:32,032 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-05 23:27:32,144 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-05 23:27:32,162 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 4 xjuncts. [2021-06-05 23:27:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:32,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:32,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:32,382 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:32,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 254 treesize of output 254 [2021-06-05 23:27:32,856 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-06-05 23:27:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:32,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:27:33,061 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:27:33,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 298 treesize of output 278 [2021-06-05 23:27:34,010 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-06-05 23:27:34,148 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-06-05 23:27:34,312 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 467 [2021-06-05 23:27:35,029 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-05 23:27:35,148 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-05 23:27:35,254 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-05 23:27:35,274 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 7 xjuncts. [2021-06-05 23:27:56,594 WARN L205 SmtUtils]: Spent 21.32 s on a formula simplification. DAG size of input: 3688 DAG size of output: 498 [2021-06-05 23:27:56,595 INFO L628 ElimStorePlain]: treesize reduction 70453, result has 4.6 percent of original size [2021-06-05 23:27:57,519 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 3 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-06-05 23:27:57,520 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 20 variables, input treesize:1537, output treesize:4101 [2021-06-05 23:27:58,975 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 203 [2021-06-05 23:27:59,733 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 116 [2021-06-05 23:28:00,806 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 173 [2021-06-05 23:28:01,335 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2021-06-05 23:28:01,887 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_710, v_prenex_699, v_prenex_700], 1=[v_prenex_703, v_prenex_707, v_prenex_709], 3=[v_prenex_701, C, v_prenex_704, v_prenex_706, v_prenex_708], 6=[v_prenex_702, v_prenex_705, v_prenex_711]} [2021-06-05 23:28:01,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-05 23:28:01,899 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:02,939 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 225 DAG size of output: 184 [2021-06-05 23:28:02,940 INFO L628 ElimStorePlain]: treesize reduction 262, result has 76.7 percent of original size [2021-06-05 23:28:02,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-06-05 23:28:02,949 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:03,727 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-06-05 23:28:03,728 INFO L628 ElimStorePlain]: treesize reduction 78, result has 90.9 percent of original size [2021-06-05 23:28:03,728 INFO L518 ElimStorePlain]: Eliminatee v_prenex_700 vanished before elimination [2021-06-05 23:28:03,746 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:03,746 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 15 treesize of output 19 [2021-06-05 23:28:03,749 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-05 23:28:03,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-06-05 23:28:03,758 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:04,506 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2021-06-05 23:28:04,507 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-06-05 23:28:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:04,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 23:28:04,519 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:04,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:28:04,525 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:04,868 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-05 23:28:04,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:04,868 INFO L518 ElimStorePlain]: Eliminatee v_prenex_709 vanished before elimination [2021-06-05 23:28:04,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:04,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2021-06-05 23:28:04,879 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:04,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:28:04,885 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:05,198 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-05 23:28:05,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:05,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-06-05 23:28:05,210 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:05,233 INFO L354 Elim1Store]: treesize reduction 8, result has 57.9 percent of original size [2021-06-05 23:28:05,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2021-06-05 23:28:05,234 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:05,535 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-05 23:28:05,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:05,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:05,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 23:28:05,546 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:05,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 23:28:05,551 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:05,814 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-06-05 23:28:05,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:05,839 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:05,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2021-06-05 23:28:05,845 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-06-05 23:28:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:05,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 12 [2021-06-05 23:28:05,853 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:06,370 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-06-05 23:28:06,370 INFO L628 ElimStorePlain]: treesize reduction 20, result has 96.6 percent of original size [2021-06-05 23:28:06,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:06,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:06,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:06,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-06-05 23:28:06,392 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-06-05 23:28:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:06,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 23:28:06,400 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:06,874 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-05 23:28:06,875 INFO L628 ElimStorePlain]: treesize reduction 6, result has 98.9 percent of original size [2021-06-05 23:28:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:06,897 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:06,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2021-06-05 23:28:06,903 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 23:28:06,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:06,918 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:06,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2021-06-05 23:28:06,921 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2021-06-05 23:28:07,372 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2021-06-05 23:28:07,373 INFO L628 ElimStorePlain]: treesize reduction 13, result has 97.5 percent of original size [2021-06-05 23:28:07,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:07,390 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:07,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-06-05 23:28:07,393 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:07,427 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-06-05 23:28:07,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 39 [2021-06-05 23:28:07,431 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:07,638 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-05 23:28:07,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:07,660 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:07,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-06-05 23:28:07,668 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-06-05 23:28:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:28:07,682 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-06-05 23:28:07,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2021-06-05 23:28:07,683 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:28:07,881 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-05 23:28:07,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:28:07,898 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 14 dim-1 vars, End of recursive call: and 14 xjuncts. [2021-06-05 23:28:07,899 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 25 variables, input treesize:1131, output treesize:240 [2021-06-05 23:28:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 23:28:08,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482936957] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:28:08,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:28:08,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 16] total 21 [2021-06-05 23:28:08,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738260058] [2021-06-05 23:28:08,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 23:28:08,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:28:08,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 23:28:08,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-06-05 23:28:08,035 INFO L87 Difference]: Start difference. First operand 11105 states and 40522 transitions. Second operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:28:09,288 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-06-05 23:28:10,758 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-06-05 23:28:10,997 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 23:28:12,647 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2021-06-05 23:28:13,070 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-06-05 23:28:13,312 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-06-05 23:28:14,490 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-06-05 23:28:15,153 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-06-05 23:28:15,631 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-06-05 23:28:16,461 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-06-05 23:28:19,028 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 300 DAG size of output: 191 [2021-06-05 23:28:20,354 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2021-06-05 23:28:20,748 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-06-05 23:28:21,373 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-06-05 23:28:22,043 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-06-05 23:28:23,102 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2021-06-05 23:28:24,021 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2021-06-05 23:28:25,059 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-06-05 23:28:25,673 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-06-05 23:28:26,295 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 234 [2021-06-05 23:28:26,774 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-06-05 23:28:27,578 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2021-06-05 23:28:28,388 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-06-05 23:28:29,249 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-06-05 23:28:31,445 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 330 DAG size of output: 324 [2021-06-05 23:28:34,206 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 301 DAG size of output: 192 [2021-06-05 23:28:34,690 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 141 [2021-06-05 23:28:35,552 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-06-05 23:28:36,548 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-06-05 23:28:39,299 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 367 DAG size of output: 226 [2021-06-05 23:28:40,343 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2021-06-05 23:28:42,817 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 330 DAG size of output: 326 [2021-06-05 23:28:45,665 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 301 DAG size of output: 194 [2021-06-05 23:28:47,931 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 328 DAG size of output: 322 [2021-06-05 23:28:48,375 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-05 23:28:48,784 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-05 23:28:51,644 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 299 DAG size of output: 190 [2021-06-05 23:28:53,915 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 328 DAG size of output: 324 [2021-06-05 23:28:54,350 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-06-05 23:28:54,648 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-06-05 23:28:57,132 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 368 DAG size of output: 227 [2021-06-05 23:29:00,152 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 299 DAG size of output: 192 [2021-06-05 23:29:00,577 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-05 23:29:03,444 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 368 DAG size of output: 229 [2021-06-05 23:29:03,766 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-06-05 23:29:04,216 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-05 23:29:04,532 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-06-05 23:29:06,206 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2021-06-05 23:29:06,548 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-05 23:29:08,824 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 366 DAG size of output: 225 [2021-06-05 23:29:10,866 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2021-06-05 23:29:13,282 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 366 DAG size of output: 227 [2021-06-05 23:29:13,700 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-06-05 23:29:14,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:14,267 INFO L93 Difference]: Finished difference Result 21822 states and 74959 transitions. [2021-06-05 23:29:14,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 23:29:14,267 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:29:14,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:14,303 INFO L225 Difference]: With dead ends: 21822 [2021-06-05 23:29:14,304 INFO L226 Difference]: Without dead ends: 21590 [2021-06-05 23:29:14,305 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 14 SyntacticMatches, 7 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4587 ImplicationChecksByTransitivity, 65319.9ms TimeCoverageRelationStatistics Valid=2020, Invalid=10190, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 23:29:14,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2021-06-05 23:29:14,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 10647. [2021-06-05 23:29:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10647 states, 10646 states have (on average 3.6323501784707872) internal successors, (38670), 10646 states have internal predecessors, (38670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 38670 transitions. [2021-06-05 23:29:14,544 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 38670 transitions. Word has length 35 [2021-06-05 23:29:14,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:14,544 INFO L482 AbstractCegarLoop]: Abstraction has 10647 states and 38670 transitions. [2021-06-05 23:29:14,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 38670 transitions. [2021-06-05 23:29:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:29:14,558 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:14,559 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:14,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5159,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:14,769 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:14,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:14,770 INFO L82 PathProgramCache]: Analyzing trace with hash 816089412, now seen corresponding path program 40 times [2021-06-05 23:29:14,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:14,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245172442] [2021-06-05 23:29:14,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:29:14,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:14,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245172442] [2021-06-05 23:29:14,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245172442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:14,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733923376] [2021-06-05 23:29:14,794 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:14,853 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:29:14,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:14,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:14,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:14,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:29:14,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733923376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:14,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:14,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-05 23:29:14,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877553172] [2021-06-05 23:29:14,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 23:29:14,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:14,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 23:29:14,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 23:29:14,891 INFO L87 Difference]: Start difference. First operand 10647 states and 38670 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:15,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:15,031 INFO L93 Difference]: Finished difference Result 12594 states and 44270 transitions. [2021-06-05 23:29:15,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 23:29:15,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:29:15,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:15,051 INFO L225 Difference]: With dead ends: 12594 [2021-06-05 23:29:15,052 INFO L226 Difference]: Without dead ends: 12570 [2021-06-05 23:29:15,052 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 39.5ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-05 23:29:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12570 states. [2021-06-05 23:29:15,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12570 to 10369. [2021-06-05 23:29:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10369 states, 10368 states have (on average 3.6480516975308643) internal successors, (37823), 10368 states have internal predecessors, (37823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10369 states to 10369 states and 37823 transitions. [2021-06-05 23:29:15,311 INFO L78 Accepts]: Start accepts. Automaton has 10369 states and 37823 transitions. Word has length 35 [2021-06-05 23:29:15,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:15,311 INFO L482 AbstractCegarLoop]: Abstraction has 10369 states and 37823 transitions. [2021-06-05 23:29:15,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 10369 states and 37823 transitions. [2021-06-05 23:29:15,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:29:15,325 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:15,325 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:15,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10344 [2021-06-05 23:29:15,526 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:15,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:15,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1386836804, now seen corresponding path program 41 times [2021-06-05 23:29:15,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:15,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642512785] [2021-06-05 23:29:15,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:29:15,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:15,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642512785] [2021-06-05 23:29:15,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642512785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:15,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446350603] [2021-06-05 23:29:15,558 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:15,608 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 23:29:15,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:15,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:15,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:29:15,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446350603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:15,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:15,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 23:29:15,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940245077] [2021-06-05 23:29:15,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 23:29:15,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:15,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 23:29:15,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 23:29:15,646 INFO L87 Difference]: Start difference. First operand 10369 states and 37823 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:15,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:15,784 INFO L93 Difference]: Finished difference Result 15040 states and 53745 transitions. [2021-06-05 23:29:15,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 23:29:15,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:29:15,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:15,817 INFO L225 Difference]: With dead ends: 15040 [2021-06-05 23:29:15,817 INFO L226 Difference]: Without dead ends: 15001 [2021-06-05 23:29:15,817 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 26.8ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 23:29:15,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15001 states. [2021-06-05 23:29:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 13247. [2021-06-05 23:29:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13247 states, 13246 states have (on average 3.6953042427902765) internal successors, (48948), 13246 states have internal predecessors, (48948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 48948 transitions. [2021-06-05 23:29:16,103 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 48948 transitions. Word has length 35 [2021-06-05 23:29:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:16,103 INFO L482 AbstractCegarLoop]: Abstraction has 13247 states and 48948 transitions. [2021-06-05 23:29:16,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 48948 transitions. [2021-06-05 23:29:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:29:16,122 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:16,122 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:16,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10345,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:16,322 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:16,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:16,323 INFO L82 PathProgramCache]: Analyzing trace with hash -262474712, now seen corresponding path program 42 times [2021-06-05 23:29:16,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:16,323 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998342984] [2021-06-05 23:29:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:16,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:29:16,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:16,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998342984] [2021-06-05 23:29:16,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998342984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:16,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439253914] [2021-06-05 23:29:16,343 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:16,373 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 23:29:16,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:16,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-05 23:29:16,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 23:29:16,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439253914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:16,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:16,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-06-05 23:29:16,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538245408] [2021-06-05 23:29:16,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 23:29:16,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:16,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 23:29:16,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-05 23:29:16,443 INFO L87 Difference]: Start difference. First operand 13247 states and 48948 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:17,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:17,450 INFO L93 Difference]: Finished difference Result 32581 states and 108614 transitions. [2021-06-05 23:29:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-05 23:29:17,451 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:29:17,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:17,509 INFO L225 Difference]: With dead ends: 32581 [2021-06-05 23:29:17,509 INFO L226 Difference]: Without dead ends: 32062 [2021-06-05 23:29:17,510 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1795 ImplicationChecksByTransitivity, 544.2ms TimeCoverageRelationStatistics Valid=1195, Invalid=3775, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 23:29:17,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32062 states. [2021-06-05 23:29:17,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32062 to 12636. [2021-06-05 23:29:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12636 states, 12635 states have (on average 3.6745548080728136) internal successors, (46428), 12635 states have internal predecessors, (46428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 12636 states and 46428 transitions. [2021-06-05 23:29:17,816 INFO L78 Accepts]: Start accepts. Automaton has 12636 states and 46428 transitions. Word has length 35 [2021-06-05 23:29:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:17,816 INFO L482 AbstractCegarLoop]: Abstraction has 12636 states and 46428 transitions. [2021-06-05 23:29:17,816 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 12636 states and 46428 transitions. [2021-06-05 23:29:17,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:29:17,832 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:17,832 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:18,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10346 [2021-06-05 23:29:18,033 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:18,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:18,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1986810880, now seen corresponding path program 43 times [2021-06-05 23:29:18,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:18,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654238539] [2021-06-05 23:29:18,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 23:29:18,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:18,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654238539] [2021-06-05 23:29:18,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654238539] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:18,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678336584] [2021-06-05 23:29:18,059 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:18,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:18,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 23:29:18,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678336584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:18,147 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:18,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-05 23:29:18,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80474512] [2021-06-05 23:29:18,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 23:29:18,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:18,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 23:29:18,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 23:29:18,148 INFO L87 Difference]: Start difference. First operand 12636 states and 46428 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:18,343 INFO L93 Difference]: Finished difference Result 23526 states and 84900 transitions. [2021-06-05 23:29:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 23:29:18,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:29:18,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:18,504 INFO L225 Difference]: With dead ends: 23526 [2021-06-05 23:29:18,504 INFO L226 Difference]: Without dead ends: 23412 [2021-06-05 23:29:18,505 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 38.6ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-05 23:29:18,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23412 states. [2021-06-05 23:29:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23412 to 19623. [2021-06-05 23:29:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19623 states, 19622 states have (on average 3.7180205891346447) internal successors, (72955), 19622 states have internal predecessors, (72955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19623 states to 19623 states and 72955 transitions. [2021-06-05 23:29:18,937 INFO L78 Accepts]: Start accepts. Automaton has 19623 states and 72955 transitions. Word has length 35 [2021-06-05 23:29:18,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:18,938 INFO L482 AbstractCegarLoop]: Abstraction has 19623 states and 72955 transitions. [2021-06-05 23:29:18,938 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 19623 states and 72955 transitions. [2021-06-05 23:29:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:29:18,962 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:18,962 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:19,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10347,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:19,163 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:19,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:19,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1730689920, now seen corresponding path program 44 times [2021-06-05 23:29:19,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:19,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232840708] [2021-06-05 23:29:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 23:29:19,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:19,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232840708] [2021-06-05 23:29:19,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232840708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:19,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974926461] [2021-06-05 23:29:19,192 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:19,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:29:19,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:19,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:19,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:19,262 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 23:29:19,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974926461] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:19,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:19,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-06-05 23:29:19,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068348905] [2021-06-05 23:29:19,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 23:29:19,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:19,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 23:29:19,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-05 23:29:19,263 INFO L87 Difference]: Start difference. First operand 19623 states and 72955 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:19,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:19,450 INFO L93 Difference]: Finished difference Result 24857 states and 88380 transitions. [2021-06-05 23:29:19,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 23:29:19,451 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:29:19,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:19,498 INFO L225 Difference]: With dead ends: 24857 [2021-06-05 23:29:19,498 INFO L226 Difference]: Without dead ends: 24857 [2021-06-05 23:29:19,498 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 56.8ms TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-06-05 23:29:19,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24857 states. [2021-06-05 23:29:19,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24857 to 20199. [2021-06-05 23:29:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 20198 states have (on average 3.685513417170017) internal successors, (74440), 20198 states have internal predecessors, (74440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 74440 transitions. [2021-06-05 23:29:19,862 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 74440 transitions. Word has length 35 [2021-06-05 23:29:19,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:19,862 INFO L482 AbstractCegarLoop]: Abstraction has 20199 states and 74440 transitions. [2021-06-05 23:29:19,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 74440 transitions. [2021-06-05 23:29:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 23:29:19,887 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:19,887 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:20,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10348,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:20,088 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:20,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:20,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1660535036, now seen corresponding path program 45 times [2021-06-05 23:29:20,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:20,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277090719] [2021-06-05 23:29:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 23:29:20,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:20,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277090719] [2021-06-05 23:29:20,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277090719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:20,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881967222] [2021-06-05 23:29:20,120 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:20,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 23:29:20,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:20,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:20,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 23:29:20,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881967222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:20,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:20,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-05 23:29:20,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495579799] [2021-06-05 23:29:20,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 23:29:20,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:20,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 23:29:20,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 23:29:20,215 INFO L87 Difference]: Start difference. First operand 20199 states and 74440 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:20,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:20,447 INFO L93 Difference]: Finished difference Result 23811 states and 85228 transitions. [2021-06-05 23:29:20,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 23:29:20,448 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 23:29:20,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:20,506 INFO L225 Difference]: With dead ends: 23811 [2021-06-05 23:29:20,506 INFO L226 Difference]: Without dead ends: 23731 [2021-06-05 23:29:20,507 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 52.8ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-05 23:29:20,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23731 states. [2021-06-05 23:29:20,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23731 to 20741. [2021-06-05 23:29:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20741 states, 20740 states have (on average 3.660221793635487) internal successors, (75913), 20740 states have internal predecessors, (75913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20741 states to 20741 states and 75913 transitions. [2021-06-05 23:29:20,968 INFO L78 Accepts]: Start accepts. Automaton has 20741 states and 75913 transitions. Word has length 35 [2021-06-05 23:29:20,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:20,968 INFO L482 AbstractCegarLoop]: Abstraction has 20741 states and 75913 transitions. [2021-06-05 23:29:20,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 20741 states and 75913 transitions. [2021-06-05 23:29:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 23:29:20,994 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:20,994 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:21,194 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10349 [2021-06-05 23:29:21,195 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:21,195 INFO L82 PathProgramCache]: Analyzing trace with hash -525066968, now seen corresponding path program 46 times [2021-06-05 23:29:21,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:21,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829444702] [2021-06-05 23:29:21,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 23:29:21,223 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:21,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829444702] [2021-06-05 23:29:21,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829444702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:21,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140099040] [2021-06-05 23:29:21,223 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:21,249 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 23:29:21,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:21,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:21,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 23:29:21,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140099040] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:21,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:21,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-05 23:29:21,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890924165] [2021-06-05 23:29:21,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 23:29:21,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:21,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 23:29:21,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-05 23:29:21,301 INFO L87 Difference]: Start difference. First operand 20741 states and 75913 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:22,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:22,113 INFO L93 Difference]: Finished difference Result 63883 states and 227418 transitions. [2021-06-05 23:29:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 23:29:22,114 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 23:29:22,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:22,254 INFO L225 Difference]: With dead ends: 63883 [2021-06-05 23:29:22,254 INFO L226 Difference]: Without dead ends: 61708 [2021-06-05 23:29:22,254 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 304.4ms TimeCoverageRelationStatistics Valid=605, Invalid=1747, Unknown=0, NotChecked=0, Total=2352 [2021-06-05 23:29:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61708 states. [2021-06-05 23:29:23,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61708 to 37262. [2021-06-05 23:29:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37262 states, 37261 states have (on average 3.697377955503073) internal successors, (137768), 37261 states have internal predecessors, (137768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37262 states to 37262 states and 137768 transitions. [2021-06-05 23:29:23,295 INFO L78 Accepts]: Start accepts. Automaton has 37262 states and 137768 transitions. Word has length 36 [2021-06-05 23:29:23,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:23,295 INFO L482 AbstractCegarLoop]: Abstraction has 37262 states and 137768 transitions. [2021-06-05 23:29:23,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 37262 states and 137768 transitions. [2021-06-05 23:29:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 23:29:23,342 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:23,343 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:23,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10350,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:23,543 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:23,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:23,544 INFO L82 PathProgramCache]: Analyzing trace with hash 320234802, now seen corresponding path program 47 times [2021-06-05 23:29:23,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:23,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372587814] [2021-06-05 23:29:23,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 23:29:23,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:23,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372587814] [2021-06-05 23:29:23,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372587814] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:23,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083477721] [2021-06-05 23:29:23,808 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:23,848 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 23:29:23,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:23,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:23,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 23:29:23,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083477721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:23,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:23,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-05 23:29:23,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061059871] [2021-06-05 23:29:23,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 23:29:23,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:23,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 23:29:23,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 23:29:23,903 INFO L87 Difference]: Start difference. First operand 37262 states and 137768 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:24,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:24,950 INFO L93 Difference]: Finished difference Result 51360 states and 178973 transitions. [2021-06-05 23:29:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 23:29:24,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 23:29:24,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:25,070 INFO L225 Difference]: With dead ends: 51360 [2021-06-05 23:29:25,070 INFO L226 Difference]: Without dead ends: 51245 [2021-06-05 23:29:25,070 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 515.0ms TimeCoverageRelationStatistics Valid=900, Invalid=3260, Unknown=0, NotChecked=0, Total=4160 [2021-06-05 23:29:25,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51245 states. [2021-06-05 23:29:25,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51245 to 29984. [2021-06-05 23:29:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29984 states, 29983 states have (on average 3.6484341126638427) internal successors, (109391), 29983 states have internal predecessors, (109391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29984 states to 29984 states and 109391 transitions. [2021-06-05 23:29:25,836 INFO L78 Accepts]: Start accepts. Automaton has 29984 states and 109391 transitions. Word has length 36 [2021-06-05 23:29:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:25,836 INFO L482 AbstractCegarLoop]: Abstraction has 29984 states and 109391 transitions. [2021-06-05 23:29:25,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29984 states and 109391 transitions. [2021-06-05 23:29:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-06-05 23:29:26,008 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:26,008 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:26,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10351 [2021-06-05 23:29:26,231 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:26,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:26,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1611245554, now seen corresponding path program 48 times [2021-06-05 23:29:26,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:26,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174700750] [2021-06-05 23:29:26,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 23:29:26,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:26,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174700750] [2021-06-05 23:29:26,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174700750] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:26,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803600627] [2021-06-05 23:29:26,251 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:26,278 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 23:29:26,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:26,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 23:29:26,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 23:29:26,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803600627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:26,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:26,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-06-05 23:29:26,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934321410] [2021-06-05 23:29:26,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 23:29:26,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:26,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 23:29:26,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-05 23:29:26,334 INFO L87 Difference]: Start difference. First operand 29984 states and 109391 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:27,352 INFO L93 Difference]: Finished difference Result 88037 states and 316542 transitions. [2021-06-05 23:29:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 23:29:27,352 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-06-05 23:29:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:27,618 INFO L225 Difference]: With dead ends: 88037 [2021-06-05 23:29:27,618 INFO L226 Difference]: Without dead ends: 87306 [2021-06-05 23:29:27,618 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 371.7ms TimeCoverageRelationStatistics Valid=407, Invalid=999, Unknown=0, NotChecked=0, Total=1406 [2021-06-05 23:29:27,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87306 states. [2021-06-05 23:29:29,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87306 to 51414. [2021-06-05 23:29:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51414 states, 51413 states have (on average 3.710754089432634) internal successors, (190781), 51413 states have internal predecessors, (190781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51414 states to 51414 states and 190781 transitions. [2021-06-05 23:29:29,418 INFO L78 Accepts]: Start accepts. Automaton has 51414 states and 190781 transitions. Word has length 37 [2021-06-05 23:29:29,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:29,419 INFO L482 AbstractCegarLoop]: Abstraction has 51414 states and 190781 transitions. [2021-06-05 23:29:29,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:29,419 INFO L276 IsEmpty]: Start isEmpty. Operand 51414 states and 190781 transitions. [2021-06-05 23:29:29,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 23:29:29,500 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:29,501 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:29,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10352,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:29,701 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:29,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:29,702 INFO L82 PathProgramCache]: Analyzing trace with hash -788362708, now seen corresponding path program 49 times [2021-06-05 23:29:29,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:29,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690232797] [2021-06-05 23:29:29,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 23:29:29,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:29,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690232797] [2021-06-05 23:29:29,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690232797] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:29,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939866554] [2021-06-05 23:29:29,724 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:29,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:29,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:29:29,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939866554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:29,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:29,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-06-05 23:29:29,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978251679] [2021-06-05 23:29:29,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 23:29:29,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:29,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 23:29:29,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-06-05 23:29:29,862 INFO L87 Difference]: Start difference. First operand 51414 states and 190781 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:31,307 INFO L93 Difference]: Finished difference Result 86651 states and 306862 transitions. [2021-06-05 23:29:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-05 23:29:31,308 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 23:29:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:31,514 INFO L225 Difference]: With dead ends: 86651 [2021-06-05 23:29:31,514 INFO L226 Difference]: Without dead ends: 86380 [2021-06-05 23:29:31,514 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 463.0ms TimeCoverageRelationStatistics Valid=759, Invalid=2321, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 23:29:31,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86380 states. [2021-06-05 23:29:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86380 to 59748. [2021-06-05 23:29:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59748 states, 59747 states have (on average 3.7077175423033792) internal successors, (221525), 59747 states have internal predecessors, (221525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59748 states to 59748 states and 221525 transitions. [2021-06-05 23:29:33,059 INFO L78 Accepts]: Start accepts. Automaton has 59748 states and 221525 transitions. Word has length 38 [2021-06-05 23:29:33,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:33,059 INFO L482 AbstractCegarLoop]: Abstraction has 59748 states and 221525 transitions. [2021-06-05 23:29:33,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 59748 states and 221525 transitions. [2021-06-05 23:29:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 23:29:33,128 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:33,128 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:33,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10353 [2021-06-05 23:29:33,328 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:33,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:33,329 INFO L82 PathProgramCache]: Analyzing trace with hash 196735476, now seen corresponding path program 50 times [2021-06-05 23:29:33,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:33,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654997131] [2021-06-05 23:29:33,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:33,352 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-05 23:29:33,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:29:33,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654997131] [2021-06-05 23:29:33,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654997131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:33,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209051832] [2021-06-05 23:29:33,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:29:33,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 23:29:33,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:29:33,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 23:29:33,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:29:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 23:29:33,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209051832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:29:33,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 23:29:33,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-06-05 23:29:33,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503493672] [2021-06-05 23:29:33,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 23:29:33,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 23:29:33,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 23:29:33,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-05 23:29:33,489 INFO L87 Difference]: Start difference. First operand 59748 states and 221525 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:34,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 23:29:34,993 INFO L93 Difference]: Finished difference Result 72805 states and 259035 transitions. [2021-06-05 23:29:34,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 23:29:34,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 23:29:34,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 23:29:35,174 INFO L225 Difference]: With dead ends: 72805 [2021-06-05 23:29:35,175 INFO L226 Difference]: Without dead ends: 72671 [2021-06-05 23:29:35,175 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 475.6ms TimeCoverageRelationStatistics Valid=750, Invalid=2220, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 23:29:35,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72671 states. [2021-06-05 23:29:36,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72671 to 55854. [2021-06-05 23:29:36,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55854 states, 55853 states have (on average 3.6992999480779902) internal successors, (206617), 55853 states have internal predecessors, (206617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55854 states to 55854 states and 206617 transitions. [2021-06-05 23:29:36,739 INFO L78 Accepts]: Start accepts. Automaton has 55854 states and 206617 transitions. Word has length 38 [2021-06-05 23:29:36,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 23:29:36,739 INFO L482 AbstractCegarLoop]: Abstraction has 55854 states and 206617 transitions. [2021-06-05 23:29:36,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 23:29:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 55854 states and 206617 transitions. [2021-06-05 23:29:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 23:29:36,810 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 23:29:36,810 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 23:29:37,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10354 [2021-06-05 23:29:37,011 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 23:29:37,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 23:29:37,011 INFO L82 PathProgramCache]: Analyzing trace with hash 672084132, now seen corresponding path program 51 times [2021-06-05 23:29:37,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 23:29:37,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111201744] [2021-06-05 23:29:37,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 23:29:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 23:29:38,569 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-05 23:29:39,025 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2021-06-05 23:29:49,095 WARN L205 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 245 DAG size of output: 296 [2021-06-05 23:29:49,573 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 41 [2021-06-05 23:29:58,705 WARN L205 SmtUtils]: Spent 9.13 s on a formula simplification. DAG size of input: 253 DAG size of output: 299 [2021-06-05 23:29:58,855 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 299 [2021-06-05 23:29:59,386 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2021-06-05 23:30:05,500 WARN L205 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 258 DAG size of output: 222 [2021-06-05 23:30:05,610 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-06-05 23:30:05,975 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 46 [2021-06-05 23:30:11,112 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 251 DAG size of output: 217 [2021-06-05 23:30:11,528 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 40 [2021-06-05 23:30:17,220 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 233 DAG size of output: 205 [2021-06-05 23:30:17,591 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 42 [2021-06-05 23:30:23,433 WARN L205 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 232 DAG size of output: 200 [2021-06-05 23:30:23,849 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2021-06-05 23:30:28,754 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 228 DAG size of output: 193 [2021-06-05 23:30:29,103 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2021-06-05 23:30:30,689 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 174 DAG size of output: 122 [2021-06-05 23:30:30,851 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 35 [2021-06-05 23:30:32,406 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 171 DAG size of output: 119 [2021-06-05 23:30:32,568 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2021-06-05 23:30:32,953 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 49 [2021-06-05 23:30:33,143 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2021-06-05 23:30:33,289 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2021-06-05 23:30:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 23:30:33,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 23:30:33,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111201744] [2021-06-05 23:30:33,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111201744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 23:30:33,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130247171] [2021-06-05 23:30:33,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 23:30:33,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 23:30:33,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 23:30:33,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-05 23:30:33,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 23:30:37,120 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 157 [2021-06-05 23:30:37,563 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 729 [2021-06-05 23:30:41,272 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 856 [2021-06-05 23:30:43,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,474 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,531 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,595 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,652 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,710 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,765 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,823 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,884 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:43,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:43,947 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,009 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,073 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,136 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,203 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,271 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,337 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,403 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,470 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,538 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,612 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,681 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,753 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,825 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,896 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:44,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:44,970 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,043 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,118 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,192 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,268 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,344 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,418 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,491 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,567 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,643 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,722 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,800 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,880 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:45,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:45,960 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,043 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,125 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,209 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,291 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,374 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,518 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,601 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,687 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,775 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,862 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:46,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:46,950 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,038 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,124 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,215 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,305 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,394 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,485 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,576 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,670 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,766 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,861 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:47,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:47,957 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:48,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:48,050 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:48,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:48,144 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:48,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:48,238 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:48,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 23:30:48,334 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:51,618 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 736 [2021-06-05 23:30:51,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:30:51,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-05 23:30:51,727 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:5793, output treesize:5729 [2021-06-05 23:30:55,950 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 864 [2021-06-05 23:30:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:57,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,334 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,441 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:57,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,591 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,701 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,809 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:57,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:57,921 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,033 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,142 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,254 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,399 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,511 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,674 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,786 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:58,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:58,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:58,897 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,009 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,123 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,241 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,356 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,473 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,592 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,709 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,836 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 23:30:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:30:59,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:30:59,956 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,081 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,203 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,323 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,442 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,560 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,680 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,805 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:00,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:00,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:00,931 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,053 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,178 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,303 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,429 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,554 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,680 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,805 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:01,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:01,928 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,091 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,216 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,342 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,471 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,598 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,730 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,861 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:02,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:02,991 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:03,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:03,122 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:03,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:03,251 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:03,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:03,389 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:03,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:03,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:03,525 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:03,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:03,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:03,659 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:03,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:03,793 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:03,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:03,930 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:04,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:04,067 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:04,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:04,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:04,204 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:04,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:04,342 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:04,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:04,482 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:04,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:04,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:04,629 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:04,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:04,771 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:04,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:04,914 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:05,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 23:31:05,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 23:31:05,055 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:08,716 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification that was a NOOP. DAG size: 744 [2021-06-05 23:31:08,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:31:08,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-05 23:31:08,832 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:6881, output treesize:6817 [2021-06-05 23:31:13,791 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification that was a NOOP. DAG size: 872 [2021-06-05 23:31:19,484 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 873 [2021-06-05 23:31:21,114 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_880, v_prenex_883, v_prenex_961, v_prenex_841, v_prenex_886, v_prenex_910, v_prenex_877, v_prenex_955, v_prenex_835, v_prenex_913, v_prenex_958, v_prenex_838, v_prenex_916, v_prenex_919, v_prenex_790, v_prenex_793, v_prenex_871, v_prenex_796, v_prenex_874, v_prenex_952, v_prenex_799, v_prenex_832, v_prenex_943, v_prenex_823, v_prenex_868, v_prenex_901, v_prenex_946, v_prenex_826, v_prenex_904, v_prenex_949, v_prenex_829, v_prenex_907, v_prenex_781, v_prenex_784, v_prenex_862, v_prenex_940, v_prenex_820, v_prenex_787, v_prenex_865, v_prenex_811, v_prenex_778, v_prenex_856, v_prenex_934, v_prenex_814, v_prenex_859, v_prenex_937, v_prenex_817, v_C_67, v_prenex_892, v_prenex_850, v_prenex_895, v_prenex_775, v_prenex_853, v_prenex_898, v_prenex_931, v_prenex_844, v_prenex_889, v_prenex_922, v_prenex_802, v_prenex_847, v_prenex_925, v_prenex_805, v_prenex_928, v_prenex_808], 4=[v_prenex_881, v_prenex_882, v_prenex_884, v_prenex_885, v_prenex_920, v_prenex_887, v_prenex_911, v_prenex_878, v_prenex_912, v_prenex_879, v_prenex_914, v_prenex_915, v_prenex_917, v_prenex_918, v_prenex_870, v_prenex_872, v_prenex_873, v_prenex_875, v_prenex_876, v_prenex_866, v_prenex_900, v_prenex_867, v_prenex_869, v_prenex_902, v_prenex_903, v_prenex_905, v_prenex_906, v_prenex_908, v_prenex_909, v_prenex_860, v_prenex_861, v_prenex_863, v_prenex_864, v_prenex_855, v_prenex_857, v_prenex_858, v_prenex_851, v_prenex_852, v_prenex_854, v_prenex_845, v_prenex_846, v_prenex_848, v_prenex_849, v_prenex_960, v_prenex_840, v_prenex_962, v_prenex_963, v_prenex_842, v_prenex_843, v_prenex_954, v_prenex_833, v_prenex_834, v_prenex_956, v_prenex_836, v_prenex_957, v_prenex_837, v_prenex_959, v_prenex_839, v_prenex_791, v_prenex_792, v_prenex_794, v_prenex_795, v_prenex_950, v_prenex_830, v_prenex_951, v_prenex_797, v_prenex_831, v_prenex_798, v_prenex_953, v_prenex_822, v_prenex_789, v_prenex_944, v_prenex_945, v_prenex_824, v_prenex_825, v_prenex_947, v_prenex_827, v_prenex_948, v_prenex_828, v_prenex_780, v_prenex_782, v_prenex_783, v_prenex_785, v_prenex_786, v_prenex_941, v_prenex_942, v_prenex_821, v_prenex_788, v_prenex_899, v_prenex_932, v_prenex_933, v_prenex_812, v_prenex_779, v_prenex_813, v_prenex_935, v_prenex_815, v_prenex_936, v_prenex_816, v_prenex_938, v_prenex_939, v_prenex_818, v_prenex_819, v_prenex_890, v_prenex_891, v_prenex_893, v_prenex_894, v_prenex_896, v_prenex_776, v_prenex_897, v_prenex_930, v_prenex_777, v_prenex_810, v_prenex_921, v_prenex_800, v_prenex_888, v_prenex_801, A, v_prenex_923, B, v_prenex_803, v_prenex_924, v_prenex_804, v_prenex_926, v_prenex_806, v_prenex_927, v_prenex_807, v_prenex_929, v_prenex_809]} [2021-06-05 23:31:21,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:31:21,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:29,351 WARN L205 SmtUtils]: Spent 8.08 s on a formula simplification that was a NOOP. DAG size: 2383 [2021-06-05 23:31:29,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:31:29,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:31:29,505 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:37,370 WARN L205 SmtUtils]: Spent 7.86 s on a formula simplification that was a NOOP. DAG size: 2379 [2021-06-05 23:31:37,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:31:37,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:31:37,523 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:45,365 WARN L205 SmtUtils]: Spent 7.84 s on a formula simplification that was a NOOP. DAG size: 2375 [2021-06-05 23:31:45,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:31:45,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:31:45,522 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 23:31:53,478 WARN L205 SmtUtils]: Spent 7.95 s on a formula simplification that was a NOOP. DAG size: 2371 [2021-06-05 23:31:53,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:31:53,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:31:53,639 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 23:32:01,938 WARN L205 SmtUtils]: Spent 8.30 s on a formula simplification that was a NOOP. DAG size: 2367 [2021-06-05 23:32:01,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:32:02,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:32:02,101 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 23:32:10,100 WARN L205 SmtUtils]: Spent 8.00 s on a formula simplification that was a NOOP. DAG size: 2363 [2021-06-05 23:32:10,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:32:10,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:32:10,270 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 23:32:18,609 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification that was a NOOP. DAG size: 2359 [2021-06-05 23:32:18,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:32:18,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:32:18,780 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 23:32:26,570 WARN L205 SmtUtils]: Spent 7.79 s on a formula simplification that was a NOOP. DAG size: 2355 [2021-06-05 23:32:26,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:32:26,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:32:26,723 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 23:32:34,585 WARN L205 SmtUtils]: Spent 7.86 s on a formula simplification that was a NOOP. DAG size: 2351 [2021-06-05 23:32:34,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:32:34,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:32:34,739 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 23:32:42,370 WARN L205 SmtUtils]: Spent 7.63 s on a formula simplification that was a NOOP. DAG size: 2347 [2021-06-05 23:32:42,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:32:42,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:32:42,525 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 23:32:50,375 WARN L205 SmtUtils]: Spent 7.85 s on a formula simplification that was a NOOP. DAG size: 2343 [2021-06-05 23:32:50,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 23:32:50,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 23:32:50,534 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. Received shutdown request... [2021-06-05 23:32:56,598 WARN L222 SmtUtils]: Removed 14 from assertion stack [2021-06-05 23:32:56,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10355 [2021-06-05 23:32:56,799 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 23:32:56,801 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 23:32:56,802 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 23:32:56,802 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 11:32:56 BasicIcfg [2021-06-05 23:32:56,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 23:32:56,803 INFO L168 Benchmark]: Toolchain (without parser) took 775715.70 ms. Allocated memory was 331.4 MB in the beginning and 12.7 GB in the end (delta: 12.4 GB). Free memory was 311.4 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. [2021-06-05 23:32:56,803 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 331.4 MB. Free memory was 312.6 MB in the beginning and 312.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 23:32:56,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.63 ms. Allocated memory is still 331.4 MB. Free memory was 311.3 MB in the beginning and 309.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 23:32:56,803 INFO L168 Benchmark]: Boogie Preprocessor took 27.70 ms. Allocated memory is still 331.4 MB. Free memory was 309.9 MB in the beginning and 308.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 23:32:56,803 INFO L168 Benchmark]: RCFGBuilder took 299.17 ms. Allocated memory is still 331.4 MB. Free memory was 308.8 MB in the beginning and 294.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-05 23:32:56,803 INFO L168 Benchmark]: TraceAbstraction took 775353.81 ms. Allocated memory was 331.4 MB in the beginning and 12.7 GB in the end (delta: 12.4 GB). Free memory was 293.7 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. [2021-06-05 23:32:56,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 331.4 MB. Free memory was 312.6 MB in the beginning and 312.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.63 ms. Allocated memory is still 331.4 MB. Free memory was 311.3 MB in the beginning and 309.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.70 ms. Allocated memory is still 331.4 MB. Free memory was 309.9 MB in the beginning and 308.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 299.17 ms. Allocated memory is still 331.4 MB. Free memory was 308.8 MB in the beginning and 294.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 775353.81 ms. Allocated memory was 331.4 MB in the beginning and 12.7 GB in the end (delta: 12.4 GB). Free memory was 293.7 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 2339 for 6061ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 775239.6ms, OverallIterations: 56, TraceHistogramMax: 3, EmptinessCheckTime: 945.1ms, AutomataDifference: 129859.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2236 SDtfs, 12165 SDslu, 13860 SDs, 0 SdLazy, 30470 SolverSat, 2361 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22029.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2973 GetRequests, 1332 SyntacticMatches, 25 SemanticMatches, 1616 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22964 ImplicationChecksByTransitivity, 131524.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59748occurred in iteration=54, InterpolantAutomatonStates: 1320, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13396.8ms AutomataMinimizationTime, 55 MinimizatonAttempts, 261522 StatesRemovedByMinimization, 55 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 229.0ms SsaConstructionTime, 1535.5ms SatisfiabilityAnalysisTime, 417768.7ms InterpolantComputationTime, 3371 NumberOfCodeBlocks, 3358 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 3267 ConstructedInterpolants, 67 QuantifiedInterpolants, 128080 SizeOfPredicates, 135 NumberOfNonLiveVariables, 4228 ConjunctsInSsa, 895 ConjunctsInUnsatCore, 104 InterpolantComputations, 6 PerfectInterpolantSequences, 484/1370 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown