/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 19:37:22,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 19:37:22,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 19:37:22,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 19:37:22,309 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 [2021-08-12 19:37:22,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 19:37:22,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 19:37:22,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-12 19:37:22,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-12 19:37:22,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 19:37:22,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 19:37:22,355 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 19:37:22,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 19:37:22,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 19:37:22,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 19:37:22,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 19:37:22,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 19:37:22,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 19:37:22,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 19:37:22,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 19:37:22,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 19:37:22,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 19:37:22,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 19:37:22,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 19:37:22,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 19:37:22,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 19:37:22,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 19:37:22,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 19:37:22,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 19:37:22,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 19:37:22,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 19:37:22,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 19:37:22,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 19:37:22,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 19:37:22,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 19:37:22,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 19:37:22,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 19:37:22,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 19:37:22,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 19:37:22,678 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 19:37:22,679 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 19:37:22,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl [2021-08-12 19:37:22,680 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl' [2021-08-12 19:37:22,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 19:37:22,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 19:37:22,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 19:37:22,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 19:37:22,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 19:37:22,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 19:37:22,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 19:37:22,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 19:37:22,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 19:37:22,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... [2021-08-12 19:37:22,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 19:37:22,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 19:37:22,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 19:37:22,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 19:37:22,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 19:37:22,827 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-12 19:37:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 19:37:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 19:37:22,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-12 19:37:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-12 19:37:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-12 19:37:22,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 19:37:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 19:37:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 19:37:22,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-12 19:37:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-12 19:37:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-12 19:37:22,829 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 19:37:23,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 19:37:23,066 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 19:37:23,067 INFO L202 PluginConnector]: Adding new model three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 07:37:23 BoogieIcfgContainer [2021-08-12 19:37:23,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 19:37:23,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 19:37:23,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 19:37:23,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 19:37:23,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 07:37:22" (1/2) ... [2021-08-12 19:37:23,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf020bd and model type three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 07:37:23, skipping insertion in model container [2021-08-12 19:37:23,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 07:37:23" (2/2) ... [2021-08-12 19:37:23,071 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-max.wvr.bpl [2021-08-12 19:37:23,075 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 19:37:23,075 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 19:37:23,076 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 19:37:23,155 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-12 19:37:23,168 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-12 19:37:23,181 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 19:37:23,181 INFO L379 AbstractCegarLoop]: Hoare is true [2021-08-12 19:37:23,181 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 19:37:23,181 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 19:37:23,181 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 19:37:23,181 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 19:37:23,182 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 19:37:23,182 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 19:37:23,190 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 32 transitions, 88 flow [2021-08-12 19:37:23,210 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) [2021-08-12 19:37:23,213 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) [2021-08-12 19:37:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 19:37:23,254 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:23,254 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 19:37:23,254 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:23,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:23,258 INFO L82 PathProgramCache]: Analyzing trace with hash 567574338, now seen corresponding path program 1 times [2021-08-12 19:37:23,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:23,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676480911] [2021-08-12 19:37:23,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:23,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:23,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676480911] [2021-08-12 19:37:23,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676480911] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 19:37:23,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 19:37:23,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 19:37:23,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799173982] [2021-08-12 19:37:23,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 19:37:23,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:23,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 19:37:23,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-12 19:37:23,456 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) [2021-08-12 19:37:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:23,560 INFO L93 Difference]: Finished difference Result 478 states and 1457 transitions. [2021-08-12 19:37:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 19:37:23,561 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 [2021-08-12 19:37:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:23,572 INFO L225 Difference]: With dead ends: 478 [2021-08-12 19:37:23,572 INFO L226 Difference]: Without dead ends: 388 [2021-08-12 19:37:23,574 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.8ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-12 19:37:23,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-08-12 19:37:23,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 176. [2021-08-12 19:37:23,620 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) [2021-08-12 19:37:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 541 transitions. [2021-08-12 19:37:23,623 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 541 transitions. Word has length 19 [2021-08-12 19:37:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:23,624 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 541 transitions. [2021-08-12 19:37:23,624 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) [2021-08-12 19:37:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 541 transitions. [2021-08-12 19:37:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-12 19:37:23,629 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:23,629 INFO L550 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] [2021-08-12 19:37:23,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 19:37:23,630 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:23,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:23,630 INFO L82 PathProgramCache]: Analyzing trace with hash -140933138, now seen corresponding path program 1 times [2021-08-12 19:37:23,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:23,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348651828] [2021-08-12 19:37:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:23,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:23,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348651828] [2021-08-12 19:37:23,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348651828] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 19:37:23,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 19:37:23,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 19:37:23,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773103684] [2021-08-12 19:37:23,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 19:37:23,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:23,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 19:37:23,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 19:37:23,675 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) [2021-08-12 19:37:23,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:23,789 INFO L93 Difference]: Finished difference Result 440 states and 1343 transitions. [2021-08-12 19:37:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 19:37:23,790 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 [2021-08-12 19:37:23,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:23,792 INFO L225 Difference]: With dead ends: 440 [2021-08-12 19:37:23,792 INFO L226 Difference]: Without dead ends: 323 [2021-08-12 19:37:23,793 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-12 19:37:23,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-08-12 19:37:23,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 253. [2021-08-12 19:37:23,815 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) [2021-08-12 19:37:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 792 transitions. [2021-08-12 19:37:23,817 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 792 transitions. Word has length 22 [2021-08-12 19:37:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:23,817 INFO L482 AbstractCegarLoop]: Abstraction has 253 states and 792 transitions. [2021-08-12 19:37:23,817 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) [2021-08-12 19:37:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 792 transitions. [2021-08-12 19:37:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-12 19:37:23,819 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:23,819 INFO L550 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] [2021-08-12 19:37:23,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 19:37:23,819 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:23,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:23,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1960572944, now seen corresponding path program 2 times [2021-08-12 19:37:23,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:23,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428934170] [2021-08-12 19:37:23,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:23,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:23,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428934170] [2021-08-12 19:37:23,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428934170] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 19:37:23,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 19:37:23,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 19:37:23,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950731623] [2021-08-12 19:37:23,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 19:37:23,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:23,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 19:37:23,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 19:37:23,856 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) [2021-08-12 19:37:23,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:23,930 INFO L93 Difference]: Finished difference Result 613 states and 1888 transitions. [2021-08-12 19:37:23,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 19:37:23,930 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 [2021-08-12 19:37:23,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:23,937 INFO L225 Difference]: With dead ends: 613 [2021-08-12 19:37:23,937 INFO L226 Difference]: Without dead ends: 472 [2021-08-12 19:37:23,938 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-12 19:37:23,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-08-12 19:37:23,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 304. [2021-08-12 19:37:23,966 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) [2021-08-12 19:37:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 995 transitions. [2021-08-12 19:37:23,968 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 995 transitions. Word has length 22 [2021-08-12 19:37:23,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:23,968 INFO L482 AbstractCegarLoop]: Abstraction has 304 states and 995 transitions. [2021-08-12 19:37:23,968 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) [2021-08-12 19:37:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 995 transitions. [2021-08-12 19:37:23,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-12 19:37:23,970 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:23,970 INFO L550 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] [2021-08-12 19:37:23,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 19:37:23,970 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:23,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:23,971 INFO L82 PathProgramCache]: Analyzing trace with hash -515537296, now seen corresponding path program 3 times [2021-08-12 19:37:23,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:23,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368571855] [2021-08-12 19:37:23,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:23,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:23,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368571855] [2021-08-12 19:37:23,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368571855] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 19:37:23,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 19:37:23,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 19:37:23,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279181026] [2021-08-12 19:37:23,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 19:37:23,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:23,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 19:37:23,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 19:37:23,995 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) [2021-08-12 19:37:24,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:24,076 INFO L93 Difference]: Finished difference Result 429 states and 1346 transitions. [2021-08-12 19:37:24,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 19:37:24,076 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 [2021-08-12 19:37:24,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:24,079 INFO L225 Difference]: With dead ends: 429 [2021-08-12 19:37:24,079 INFO L226 Difference]: Without dead ends: 348 [2021-08-12 19:37:24,082 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-12 19:37:24,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-08-12 19:37:24,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2021-08-12 19:37:24,103 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) [2021-08-12 19:37:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 935 transitions. [2021-08-12 19:37:24,105 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 935 transitions. Word has length 22 [2021-08-12 19:37:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:24,105 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 935 transitions. [2021-08-12 19:37:24,105 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) [2021-08-12 19:37:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 935 transitions. [2021-08-12 19:37:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-12 19:37:24,108 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:24,108 INFO L550 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] [2021-08-12 19:37:24,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 19:37:24,108 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:24,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:24,109 INFO L82 PathProgramCache]: Analyzing trace with hash 988591096, now seen corresponding path program 1 times [2021-08-12 19:37:24,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:24,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010220100] [2021-08-12 19:37:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:24,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:24,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010220100] [2021-08-12 19:37:24,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010220100] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 19:37:24,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 19:37:24,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 19:37:24,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391111239] [2021-08-12 19:37:24,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 19:37:24,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:24,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 19:37:24,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 19:37:24,157 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) [2021-08-12 19:37:24,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:24,214 INFO L93 Difference]: Finished difference Result 390 states and 1202 transitions. [2021-08-12 19:37:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 19:37:24,214 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 [2021-08-12 19:37:24,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:24,216 INFO L225 Difference]: With dead ends: 390 [2021-08-12 19:37:24,216 INFO L226 Difference]: Without dead ends: 309 [2021-08-12 19:37:24,216 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-12 19:37:24,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-08-12 19:37:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 256. [2021-08-12 19:37:24,224 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) [2021-08-12 19:37:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 800 transitions. [2021-08-12 19:37:24,225 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 800 transitions. Word has length 24 [2021-08-12 19:37:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:24,226 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 800 transitions. [2021-08-12 19:37:24,226 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) [2021-08-12 19:37:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 800 transitions. [2021-08-12 19:37:24,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-12 19:37:24,227 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:24,227 INFO L550 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] [2021-08-12 19:37:24,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 19:37:24,227 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:24,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:24,228 INFO L82 PathProgramCache]: Analyzing trace with hash -2015295284, now seen corresponding path program 1 times [2021-08-12 19:37:24,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:24,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089682970] [2021-08-12 19:37:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:24,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:24,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089682970] [2021-08-12 19:37:24,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089682970] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:24,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180700346] [2021-08-12 19:37:24,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:24,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-12 19:37:24,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:25,012 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 [2021-08-12 19:37:25,030 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,035 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 34 treesize of output 24 [2021-08-12 19:37:25,044 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,049 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 [2021-08-12 19:37:25,053 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,061 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 [2021-08-12 19:37:25,068 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:25,129 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 [2021-08-12 19:37:25,139 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,150 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 [2021-08-12 19:37:25,156 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,162 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 [2021-08-12 19:37:25,168 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,173 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 [2021-08-12 19:37:25,181 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:25,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:25,229 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 [2021-08-12 19:37:25,230 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:25,236 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 [2021-08-12 19:37:25,237 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:25,245 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 [2021-08-12 19:37:25,249 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:25,254 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 [2021-08-12 19:37:25,255 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:25,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:25,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:37:25,302 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:197, output treesize:58 [2021-08-12 19:37:25,408 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 [2021-08-12 19:37:25,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:25,415 INFO L628 ElimStorePlain]: treesize reduction 27, result has 15.6 percent of original size [2021-08-12 19:37:25,415 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-08-12 19:37:25,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:37:25,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-08-12 19:37:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:25,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180700346] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:25,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:25,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-12 19:37:25,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299836057] [2021-08-12 19:37:25,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 19:37:25,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:25,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 19:37:25,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-08-12 19:37:25,425 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) [2021-08-12 19:37:25,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:25,653 INFO L93 Difference]: Finished difference Result 527 states and 1654 transitions. [2021-08-12 19:37:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 19:37:25,653 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 [2021-08-12 19:37:25,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:25,656 INFO L225 Difference]: With dead ends: 527 [2021-08-12 19:37:25,656 INFO L226 Difference]: Without dead ends: 482 [2021-08-12 19:37:25,657 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 362.4ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-08-12 19:37:25,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-08-12 19:37:25,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2021-08-12 19:37:25,672 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) [2021-08-12 19:37:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1176 transitions. [2021-08-12 19:37:25,674 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1176 transitions. Word has length 26 [2021-08-12 19:37:25,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:25,674 INFO L482 AbstractCegarLoop]: Abstraction has 373 states and 1176 transitions. [2021-08-12 19:37:25,674 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) [2021-08-12 19:37:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1176 transitions. [2021-08-12 19:37:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-12 19:37:25,675 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:25,675 INFO L550 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] [2021-08-12 19:37:25,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-12 19:37:25,885 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:25,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:25,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1060994158, now seen corresponding path program 2 times [2021-08-12 19:37:25,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:25,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055441484] [2021-08-12 19:37:25,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:25,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:25,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055441484] [2021-08-12 19:37:25,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055441484] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 19:37:25,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 19:37:25,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 19:37:25,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590552747] [2021-08-12 19:37:25,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 19:37:25,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:25,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 19:37:25,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 19:37:25,903 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) [2021-08-12 19:37:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:25,941 INFO L93 Difference]: Finished difference Result 759 states and 2423 transitions. [2021-08-12 19:37:25,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 19:37:25,942 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 [2021-08-12 19:37:25,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:25,945 INFO L225 Difference]: With dead ends: 759 [2021-08-12 19:37:25,945 INFO L226 Difference]: Without dead ends: 476 [2021-08-12 19:37:25,945 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 19:37:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-08-12 19:37:25,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 403. [2021-08-12 19:37:25,958 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) [2021-08-12 19:37:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1245 transitions. [2021-08-12 19:37:25,960 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1245 transitions. Word has length 26 [2021-08-12 19:37:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:25,960 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 1245 transitions. [2021-08-12 19:37:25,960 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) [2021-08-12 19:37:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1245 transitions. [2021-08-12 19:37:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-12 19:37:25,961 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:25,961 INFO L550 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] [2021-08-12 19:37:25,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-12 19:37:25,961 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:25,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:25,962 INFO L82 PathProgramCache]: Analyzing trace with hash -294633458, now seen corresponding path program 3 times [2021-08-12 19:37:25,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:25,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775693057] [2021-08-12 19:37:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:26,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:26,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775693057] [2021-08-12 19:37:26,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775693057] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:26,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268776719] [2021-08-12 19:37:26,164 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 [2021-08-12 19:37:26,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 19:37:26,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:26,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-12 19:37:26,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:26,269 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 [2021-08-12 19:37:26,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:26,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,279 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-08-12 19:37:26,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-08-12 19:37:26,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,404 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 [2021-08-12 19:37:26,405 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,409 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 [2021-08-12 19:37:26,410 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,413 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 [2021-08-12 19:37:26,414 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:26,449 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 [2021-08-12 19:37:26,451 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,455 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 [2021-08-12 19:37:26,458 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,462 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 [2021-08-12 19:37:26,464 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-08-12 19:37:26,468 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,502 INFO L628 ElimStorePlain]: treesize reduction 47, result has 25.4 percent of original size [2021-08-12 19:37:26,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,503 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:193, output treesize:16 [2021-08-12 19:37:26,548 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 [2021-08-12 19:37:26,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-08-12 19:37:26,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:26,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:37:26,555 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:5 [2021-08-12 19:37:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:26,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268776719] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:26,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:26,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2021-08-12 19:37:26,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96808948] [2021-08-12 19:37:26,562 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-12 19:37:26,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:26,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-12 19:37:26,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-12 19:37:26,562 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) [2021-08-12 19:37:26,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:26,867 INFO L93 Difference]: Finished difference Result 888 states and 2674 transitions. [2021-08-12 19:37:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 19:37:26,867 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 [2021-08-12 19:37:26,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:26,871 INFO L225 Difference]: With dead ends: 888 [2021-08-12 19:37:26,871 INFO L226 Difference]: Without dead ends: 768 [2021-08-12 19:37:26,872 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 308.4ms TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2021-08-12 19:37:26,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-08-12 19:37:26,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 427. [2021-08-12 19:37:26,888 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) [2021-08-12 19:37:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1319 transitions. [2021-08-12 19:37:26,890 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1319 transitions. Word has length 26 [2021-08-12 19:37:26,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:26,890 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 1319 transitions. [2021-08-12 19:37:26,891 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) [2021-08-12 19:37:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1319 transitions. [2021-08-12 19:37:26,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-12 19:37:26,892 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:26,892 INFO L550 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] [2021-08-12 19:37:27,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:27,110 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:27,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:27,111 INFO L82 PathProgramCache]: Analyzing trace with hash 108055770, now seen corresponding path program 4 times [2021-08-12 19:37:27,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:27,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476733568] [2021-08-12 19:37:27,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:27,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:27,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476733568] [2021-08-12 19:37:27,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476733568] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:27,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084855644] [2021-08-12 19:37:27,277 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 [2021-08-12 19:37:27,320 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 19:37:27,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:27,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-12 19:37:27,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:27,388 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 [2021-08-12 19:37:27,388 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:27,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,397 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-08-12 19:37:27,430 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 [2021-08-12 19:37:27,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,434 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 [2021-08-12 19:37:27,435 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,459 INFO L628 ElimStorePlain]: treesize reduction 30, result has 61.0 percent of original size [2021-08-12 19:37:27,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-08-12 19:37:27,460 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:47 [2021-08-12 19:37:27,573 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 22 treesize of output 14 [2021-08-12 19:37:27,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,579 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 22 treesize of output 14 [2021-08-12 19:37:27,583 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,586 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 [2021-08-12 19:37:27,587 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,591 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 [2021-08-12 19:37:27,593 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:27,640 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 [2021-08-12 19:37:27,644 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,647 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 [2021-08-12 19:37:27,648 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,675 INFO L628 ElimStorePlain]: treesize reduction 137, result has 3.5 percent of original size [2021-08-12 19:37:27,675 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-08-12 19:37:27,675 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-08-12 19:37:27,676 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:37:27,676 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:273, output treesize:5 [2021-08-12 19:37:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:27,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084855644] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:27,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:27,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-12 19:37:27,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632729841] [2021-08-12 19:37:27,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 19:37:27,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:27,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 19:37:27,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-08-12 19:37:27,687 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) [2021-08-12 19:37:27,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:27,824 INFO L93 Difference]: Finished difference Result 695 states and 2176 transitions. [2021-08-12 19:37:27,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 19:37:27,825 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 [2021-08-12 19:37:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:27,829 INFO L225 Difference]: With dead ends: 695 [2021-08-12 19:37:27,829 INFO L226 Difference]: Without dead ends: 604 [2021-08-12 19:37:27,829 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 153.3ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-08-12 19:37:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-08-12 19:37:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 431. [2021-08-12 19:37:27,844 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) [2021-08-12 19:37:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1337 transitions. [2021-08-12 19:37:27,847 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1337 transitions. Word has length 26 [2021-08-12 19:37:27,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:27,847 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 1337 transitions. [2021-08-12 19:37:27,847 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) [2021-08-12 19:37:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1337 transitions. [2021-08-12 19:37:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-12 19:37:27,848 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:27,848 INFO L550 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] [2021-08-12 19:37:28,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:28,057 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:28,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:28,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1752316266, now seen corresponding path program 5 times [2021-08-12 19:37:28,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:28,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232073967] [2021-08-12 19:37:28,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:28,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:28,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:28,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232073967] [2021-08-12 19:37:28,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232073967] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:28,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575392698] [2021-08-12 19:37:28,077 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 [2021-08-12 19:37:28,109 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 19:37:28,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:28,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-12 19:37:28,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:28,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575392698] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:28,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:28,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 19:37:28,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654253317] [2021-08-12 19:37:28,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 19:37:28,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:28,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 19:37:28,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-12 19:37:28,164 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) [2021-08-12 19:37:28,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:28,292 INFO L93 Difference]: Finished difference Result 1228 states and 3784 transitions. [2021-08-12 19:37:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 19:37:28,292 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 [2021-08-12 19:37:28,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:28,297 INFO L225 Difference]: With dead ends: 1228 [2021-08-12 19:37:28,297 INFO L226 Difference]: Without dead ends: 1071 [2021-08-12 19:37:28,298 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 22.7ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-12 19:37:28,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-08-12 19:37:28,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 723. [2021-08-12 19:37:28,324 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) [2021-08-12 19:37:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2383 transitions. [2021-08-12 19:37:28,327 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2383 transitions. Word has length 28 [2021-08-12 19:37:28,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:28,328 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 2383 transitions. [2021-08-12 19:37:28,328 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) [2021-08-12 19:37:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2383 transitions. [2021-08-12 19:37:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-12 19:37:28,330 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:28,331 INFO L550 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] [2021-08-12 19:37:28,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:28,547 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:28,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:28,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1505385586, now seen corresponding path program 6 times [2021-08-12 19:37:28,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:28,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022476991] [2021-08-12 19:37:28,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:28,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:28,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022476991] [2021-08-12 19:37:28,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022476991] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:28,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578460180] [2021-08-12 19:37:28,574 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 [2021-08-12 19:37:28,636 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 19:37:28,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:28,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 19:37:28,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:28,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578460180] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:28,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:28,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-08-12 19:37:28,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722386378] [2021-08-12 19:37:28,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 19:37:28,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:28,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 19:37:28,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-12 19:37:28,688 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) [2021-08-12 19:37:29,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:29,300 INFO L93 Difference]: Finished difference Result 3308 states and 10372 transitions. [2021-08-12 19:37:29,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-12 19:37:29,301 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 [2021-08-12 19:37:29,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:29,314 INFO L225 Difference]: With dead ends: 3308 [2021-08-12 19:37:29,314 INFO L226 Difference]: Without dead ends: 2785 [2021-08-12 19:37:29,316 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 220.8ms TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2021-08-12 19:37:29,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-08-12 19:37:29,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 704. [2021-08-12 19:37:29,365 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) [2021-08-12 19:37:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2345 transitions. [2021-08-12 19:37:29,370 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2345 transitions. Word has length 28 [2021-08-12 19:37:29,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:29,371 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 2345 transitions. [2021-08-12 19:37:29,371 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) [2021-08-12 19:37:29,371 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2345 transitions. [2021-08-12 19:37:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-12 19:37:29,372 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:29,372 INFO L550 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] [2021-08-12 19:37:29,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:29,589 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:29,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:29,589 INFO L82 PathProgramCache]: Analyzing trace with hash -2070734300, now seen corresponding path program 7 times [2021-08-12 19:37:29,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:29,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854799412] [2021-08-12 19:37:29,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:29,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:29,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854799412] [2021-08-12 19:37:29,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854799412] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:29,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660913308] [2021-08-12 19:37:29,613 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 [2021-08-12 19:37:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:29,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-12 19:37:29,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:29,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660913308] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:29,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:29,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-12 19:37:29,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847473322] [2021-08-12 19:37:29,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 19:37:29,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:29,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 19:37:29,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-12 19:37:29,728 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) [2021-08-12 19:37:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:30,412 INFO L93 Difference]: Finished difference Result 4693 states and 15390 transitions. [2021-08-12 19:37:30,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 19:37:30,412 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 [2021-08-12 19:37:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:30,431 INFO L225 Difference]: With dead ends: 4693 [2021-08-12 19:37:30,431 INFO L226 Difference]: Without dead ends: 3838 [2021-08-12 19:37:30,433 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 140.2ms TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2021-08-12 19:37:30,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-08-12 19:37:30,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2381. [2021-08-12 19:37:30,542 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) [2021-08-12 19:37:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 8509 transitions. [2021-08-12 19:37:30,552 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 8509 transitions. Word has length 29 [2021-08-12 19:37:30,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:30,552 INFO L482 AbstractCegarLoop]: Abstraction has 2381 states and 8509 transitions. [2021-08-12 19:37:30,552 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) [2021-08-12 19:37:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 8509 transitions. [2021-08-12 19:37:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-12 19:37:30,557 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:30,557 INFO L550 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] [2021-08-12 19:37:30,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:30,765 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:30,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:30,766 INFO L82 PathProgramCache]: Analyzing trace with hash 483537884, now seen corresponding path program 8 times [2021-08-12 19:37:30,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:30,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611741586] [2021-08-12 19:37:30,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:30,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:30,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611741586] [2021-08-12 19:37:30,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611741586] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:30,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621760266] [2021-08-12 19:37:30,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:30,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 19:37:30,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:30,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 19:37:30,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:30,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621760266] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:30,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:30,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-08-12 19:37:30,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046621548] [2021-08-12 19:37:30,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 19:37:30,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:30,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 19:37:30,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-12 19:37:30,862 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) [2021-08-12 19:37:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:31,368 INFO L93 Difference]: Finished difference Result 5021 states and 17874 transitions. [2021-08-12 19:37:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-12 19:37:31,368 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 [2021-08-12 19:37:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:31,382 INFO L225 Difference]: With dead ends: 5021 [2021-08-12 19:37:31,383 INFO L226 Difference]: Without dead ends: 2835 [2021-08-12 19:37:31,386 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 131.2ms TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2021-08-12 19:37:31,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-08-12 19:37:31,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2343. [2021-08-12 19:37:31,483 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) [2021-08-12 19:37:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 8357 transitions. [2021-08-12 19:37:31,492 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 8357 transitions. Word has length 29 [2021-08-12 19:37:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:31,492 INFO L482 AbstractCegarLoop]: Abstraction has 2343 states and 8357 transitions. [2021-08-12 19:37:31,493 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) [2021-08-12 19:37:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 8357 transitions. [2021-08-12 19:37:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-12 19:37:31,497 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:31,497 INFO L550 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] [2021-08-12 19:37:31,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:31,717 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:31,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:31,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1924163208, now seen corresponding path program 9 times [2021-08-12 19:37:31,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:31,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639646577] [2021-08-12 19:37:31,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 19:37:31,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:31,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639646577] [2021-08-12 19:37:31,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639646577] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:31,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890303984] [2021-08-12 19:37:31,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:31,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 19:37:31,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:31,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-12 19:37:31,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 19:37:31,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890303984] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:31,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:31,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-08-12 19:37:31,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442808565] [2021-08-12 19:37:31,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 19:37:31,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:31,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 19:37:31,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-12 19:37:31,830 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) [2021-08-12 19:37:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:32,791 INFO L93 Difference]: Finished difference Result 6254 states and 21810 transitions. [2021-08-12 19:37:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-12 19:37:32,791 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 [2021-08-12 19:37:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:32,817 INFO L225 Difference]: With dead ends: 6254 [2021-08-12 19:37:32,817 INFO L226 Difference]: Without dead ends: 5702 [2021-08-12 19:37:32,819 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 197.6ms TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2021-08-12 19:37:32,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-08-12 19:37:33,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4398. [2021-08-12 19:37:33,032 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) [2021-08-12 19:37:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 15943 transitions. [2021-08-12 19:37:33,049 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 15943 transitions. Word has length 31 [2021-08-12 19:37:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:33,050 INFO L482 AbstractCegarLoop]: Abstraction has 4398 states and 15943 transitions. [2021-08-12 19:37:33,050 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) [2021-08-12 19:37:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 15943 transitions. [2021-08-12 19:37:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:37:33,059 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:33,059 INFO L550 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] [2021-08-12 19:37:33,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-08-12 19:37:33,275 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:33,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:33,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1395617240, now seen corresponding path program 10 times [2021-08-12 19:37:33,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:33,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277116930] [2021-08-12 19:37:33,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:33,710 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2021-08-12 19:37:33,940 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2021-08-12 19:37:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:34,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:34,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277116930] [2021-08-12 19:37:34,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277116930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:34,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769234014] [2021-08-12 19:37:34,187 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 [2021-08-12 19:37:34,222 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 19:37:34,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:34,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:37:34,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:34,514 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 [2021-08-12 19:37:34,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,521 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 [2021-08-12 19:37:34,521 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,526 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 [2021-08-12 19:37:34,527 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,533 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 [2021-08-12 19:37:34,533 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,540 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 [2021-08-12 19:37:34,540 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,561 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 [2021-08-12 19:37:34,562 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,568 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 [2021-08-12 19:37:34,568 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,579 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 [2021-08-12 19:37:34,580 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,588 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 [2021-08-12 19:37:34,589 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,595 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 [2021-08-12 19:37:34,596 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,603 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 [2021-08-12 19:37:34,603 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,610 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 18 treesize of output 17 [2021-08-12 19:37:34,611 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,617 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 18 treesize of output 17 [2021-08-12 19:37:34,618 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,623 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 [2021-08-12 19:37:34,624 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,629 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 [2021-08-12 19:37:34,630 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,634 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 [2021-08-12 19:37:34,635 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:34,922 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-08-12 19:37:34,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:34,927 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-08-12 19:37:34,927 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1121, output treesize:1105 [2021-08-12 19:37:35,234 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-08-12 19:37:35,476 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 [2021-08-12 19:37:35,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:35,893 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-08-12 19:37:35,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:35,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:35,913 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:36,312 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2021-08-12 19:37:36,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:36,332 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 33 treesize of output 33 [2021-08-12 19:37:36,334 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:36,725 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2021-08-12 19:37:36,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:36,745 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 [2021-08-12 19:37:36,746 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:37,164 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-08-12 19:37:37,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:37,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:37,184 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:37,566 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-08-12 19:37:37,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:37,586 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 [2021-08-12 19:37:37,587 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:37,959 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2021-08-12 19:37:37,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:37,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:37,979 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:38,336 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-08-12 19:37:38,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:38,354 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 50 treesize of output 36 [2021-08-12 19:37:38,357 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:38,720 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2021-08-12 19:37:38,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:38,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:38,739 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:39,097 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2021-08-12 19:37:39,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:39,116 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 [2021-08-12 19:37:39,118 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:39,490 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2021-08-12 19:37:39,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:39,504 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 34 [2021-08-12 19:37:39,507 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:39,857 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2021-08-12 19:37:39,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:39,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:39,876 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:40,212 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-08-12 19:37:40,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:40,230 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 [2021-08-12 19:37:40,231 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:40,569 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-08-12 19:37:40,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:40,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:40,588 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:41,281 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 335 [2021-08-12 19:37:41,290 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.0 percent of original size [2021-08-12 19:37:41,307 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 49 treesize of output 33 [2021-08-12 19:37:41,309 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:42,010 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 324 [2021-08-12 19:37:42,011 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.5 percent of original size [2021-08-12 19:37:42,025 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 50 treesize of output 36 [2021-08-12 19:37:42,029 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:42,358 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-08-12 19:37:42,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:42,372 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 36 [2021-08-12 19:37:42,375 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:42,704 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-08-12 19:37:42,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:42,729 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 48 treesize of output 32 [2021-08-12 19:37:42,734 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:43,056 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2021-08-12 19:37:43,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:43,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:43,075 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:43,381 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-08-12 19:37:43,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:43,399 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 [2021-08-12 19:37:43,401 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:43,710 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-08-12 19:37:43,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:43,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:43,740 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:44,309 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 288 [2021-08-12 19:37:44,310 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-08-12 19:37:44,330 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 [2021-08-12 19:37:44,331 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:44,610 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-08-12 19:37:44,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:44,627 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 [2021-08-12 19:37:44,628 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:44,914 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-08-12 19:37:44,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:44,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:44,931 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:45,229 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-08-12 19:37:45,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:45,245 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 48 treesize of output 32 [2021-08-12 19:37:45,247 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:45,528 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-08-12 19:37:45,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:45,544 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 [2021-08-12 19:37:45,545 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:45,822 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-08-12 19:37:45,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:45,835 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 51 treesize of output 33 [2021-08-12 19:37:45,845 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:46,099 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-08-12 19:37:46,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:46,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:46,129 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:46,376 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-08-12 19:37:46,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:46,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:46,389 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:46,873 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-08-12 19:37:46,874 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.3 percent of original size [2021-08-12 19:37:46,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:46,885 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:47,117 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-08-12 19:37:47,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:47,134 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 [2021-08-12 19:37:47,135 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:47,362 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-08-12 19:37:47,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:47,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 35 [2021-08-12 19:37:47,377 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:47,724 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 176 [2021-08-12 19:37:47,725 INFO L628 ElimStorePlain]: treesize reduction 150, result has 78.3 percent of original size [2021-08-12 19:37:47,733 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 50 treesize of output 36 [2021-08-12 19:37:47,735 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:47,901 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-08-12 19:37:47,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:47,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:37:47,914 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:48,089 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-08-12 19:37:48,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:48,101 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 [2021-08-12 19:37:48,103 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:48,261 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-08-12 19:37:48,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:48,262 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-08-12 19:37:48,270 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 50 treesize of output 36 [2021-08-12 19:37:48,273 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:48,442 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-08-12 19:37:48,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:48,450 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 52 treesize of output 36 [2021-08-12 19:37:48,453 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:48,601 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-08-12 19:37:48,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:48,611 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 [2021-08-12 19:37:48,612 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:48,763 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-08-12 19:37:48,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:48,775 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 50 treesize of output 32 [2021-08-12 19:37:48,786 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:49,075 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 141 [2021-08-12 19:37:49,075 INFO L628 ElimStorePlain]: treesize reduction 9, result has 98.0 percent of original size [2021-08-12 19:37:49,075 INFO L518 ElimStorePlain]: Eliminatee v_prenex_45 vanished before elimination [2021-08-12 19:37:49,088 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 [2021-08-12 19:37:49,089 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:49,241 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-08-12 19:37:49,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:49,242 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-08-12 19:37:49,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:49,263 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:49,404 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-08-12 19:37:49,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:49,414 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 [2021-08-12 19:37:49,415 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:49,549 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-08-12 19:37:49,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:49,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-08-12 19:37:49,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-08-12 19:37:49,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:37:49,558 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:49,684 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-08-12 19:37:49,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:49,693 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-08-12 19:37:49,694 INFO L247 ElimStorePlain]: Needed 44 recursive calls to eliminate 48 variables, input treesize:1153, output treesize:212 [2021-08-12 19:37:49,947 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 [2021-08-12 19:37:49,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:49,951 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 [2021-08-12 19:37:49,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:49,965 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-08-12 19:37:49,965 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-08-12 19:37:49,965 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-08-12 19:37:49,965 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-08-12 19:37:49,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:37:49,965 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-08-12 19:37:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:49,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769234014] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:49,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:37:49,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-08-12 19:37:49,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570606443] [2021-08-12 19:37:49,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 19:37:49,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:37:49,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 19:37:49,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2021-08-12 19:37:49,972 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) [2021-08-12 19:37:50,377 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2021-08-12 19:37:51,121 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-08-12 19:37:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:37:52,162 INFO L93 Difference]: Finished difference Result 5787 states and 20389 transitions. [2021-08-12 19:37:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 19:37:52,163 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 [2021-08-12 19:37:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:37:52,180 INFO L225 Difference]: With dead ends: 5787 [2021-08-12 19:37:52,180 INFO L226 Difference]: Without dead ends: 5742 [2021-08-12 19:37:52,181 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 2201.7ms TimeCoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2021-08-12 19:37:52,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-08-12 19:37:52,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4565. [2021-08-12 19:37:52,385 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) [2021-08-12 19:37:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 16486 transitions. [2021-08-12 19:37:52,403 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 16486 transitions. Word has length 33 [2021-08-12 19:37:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:37:52,403 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 16486 transitions. [2021-08-12 19:37:52,403 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) [2021-08-12 19:37:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 16486 transitions. [2021-08-12 19:37:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:37:52,411 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:37:52,412 INFO L550 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] [2021-08-12 19:37:52,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:37:52,619 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:37:52,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:37:52,619 INFO L82 PathProgramCache]: Analyzing trace with hash -199304798, now seen corresponding path program 11 times [2021-08-12 19:37:52,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:37:52,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139885170] [2021-08-12 19:37:52,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:37:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:37:52,969 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 46 [2021-08-12 19:37:53,131 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 49 [2021-08-12 19:37:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:37:53,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:37:53,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139885170] [2021-08-12 19:37:53,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139885170] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:37:53,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522188463] [2021-08-12 19:37:53,515 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 [2021-08-12 19:37:53,545 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 19:37:53,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:37:53,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-12 19:37:53,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:37:53,790 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 [2021-08-12 19:37:53,791 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,802 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 [2021-08-12 19:37:53,803 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,809 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 [2021-08-12 19:37:53,810 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,816 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 [2021-08-12 19:37:53,817 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,823 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 [2021-08-12 19:37:53,824 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,831 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 12 treesize of output 11 [2021-08-12 19:37:53,832 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,838 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 [2021-08-12 19:37:53,839 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,845 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 [2021-08-12 19:37:53,846 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,852 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 [2021-08-12 19:37:53,853 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,859 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 [2021-08-12 19:37:53,860 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,866 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 [2021-08-12 19:37:53,867 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,873 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 [2021-08-12 19:37:53,874 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,881 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 [2021-08-12 19:37:53,881 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,893 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 [2021-08-12 19:37:53,893 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,899 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 [2021-08-12 19:37:53,899 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:53,907 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 [2021-08-12 19:37:53,908 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:37:54,193 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-08-12 19:37:54,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:54,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-08-12 19:37:54,200 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1057, output treesize:1041 [2021-08-12 19:37:54,570 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-08-12 19:37:54,975 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-08-12 19:37:56,026 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-08-12 19:37:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,305 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-08-12 19:37:56,309 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,322 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-08-12 19:37:56,324 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,338 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-08-12 19:37:56,341 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,355 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-08-12 19:37:56,362 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,386 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2021-08-12 19:37:56,389 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,405 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-08-12 19:37:56,408 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,423 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-08-12 19:37:56,426 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,444 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-08-12 19:37:56,447 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,463 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-08-12 19:37:56,465 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,483 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-08-12 19:37:56,486 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,507 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-08-12 19:37:56,510 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,536 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-08-12 19:37:56,541 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,564 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-08-12 19:37:56,566 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,593 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-08-12 19:37:56,595 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,632 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-08-12 19:37:56,635 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,663 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-08-12 19:37:56,669 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,702 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-08-12 19:37:56,706 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,749 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-08-12 19:37:56,752 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,782 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2021-08-12 19:37:56,785 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,828 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-08-12 19:37:56,835 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,860 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-08-12 19:37:56,862 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,907 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-08-12 19:37:56,910 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,945 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-08-12 19:37:56,947 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:56,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:56,965 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 47 [2021-08-12 19:37:56,968 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,227 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 220 [2021-08-12 19:37:58,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,251 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-08-12 19:37:58,253 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,277 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-08-12 19:37:58,279 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,306 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-08-12 19:37:58,309 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,331 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-08-12 19:37:58,334 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,356 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-08-12 19:37:58,359 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,385 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-08-12 19:37:58,387 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,412 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-08-12 19:37:58,415 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,444 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-08-12 19:37:58,446 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,473 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-08-12 19:37:58,476 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,505 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-08-12 19:37:58,507 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,530 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-08-12 19:37:58,533 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,555 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-08-12 19:37:58,566 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,593 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-08-12 19:37:58,595 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,621 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 44 [2021-08-12 19:37:58,624 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,651 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-08-12 19:37:58,653 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,687 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-08-12 19:37:58,689 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,718 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-08-12 19:37:58,721 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,745 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-08-12 19:37:58,747 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,782 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-08-12 19:37:58,785 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,809 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-08-12 19:37:58,812 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,838 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-08-12 19:37:58,840 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,863 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-08-12 19:37:58,866 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,890 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-08-12 19:37:58,893 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:58,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:58,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:37:58,914 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 44 [2021-08-12 19:37:58,916 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:37:59,977 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 256 [2021-08-12 19:37:59,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:37:59,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:37:59,999 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 [2021-08-12 19:38:00,000 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,029 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 [2021-08-12 19:38:00,029 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,053 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 [2021-08-12 19:38:00,055 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,095 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 [2021-08-12 19:38:00,096 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,126 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 [2021-08-12 19:38:00,127 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,155 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 [2021-08-12 19:38:00,157 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,182 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 [2021-08-12 19:38:00,183 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,211 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 18 treesize of output 20 [2021-08-12 19:38:00,212 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,253 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 18 treesize of output 20 [2021-08-12 19:38:00,254 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,288 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 [2021-08-12 19:38:00,290 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,319 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 [2021-08-12 19:38:00,321 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,349 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 [2021-08-12 19:38:00,350 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,378 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 [2021-08-12 19:38:00,379 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,404 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 18 treesize of output 20 [2021-08-12 19:38:00,415 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,445 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 [2021-08-12 19:38:00,446 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,472 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 [2021-08-12 19:38:00,473 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,496 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 [2021-08-12 19:38:00,497 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,519 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 18 treesize of output 20 [2021-08-12 19:38:00,520 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,544 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 18 treesize of output 20 [2021-08-12 19:38:00,545 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,570 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 [2021-08-12 19:38:00,572 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,599 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 [2021-08-12 19:38:00,601 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,629 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 16 treesize of output 18 [2021-08-12 19:38:00,630 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,658 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 18 treesize of output 20 [2021-08-12 19:38:00,659 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:00,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:00,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:00,685 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 [2021-08-12 19:38:00,686 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,179 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-08-12 19:38:01,179 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:01,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 14 dim-0 vars, and 14 xjuncts. [2021-08-12 19:38:01,225 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 4 variables, input treesize:1885, output treesize:477 [2021-08-12 19:38:01,444 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 57 [2021-08-12 19:38:01,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:01,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:01,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:01,603 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 15 [2021-08-12 19:38:01,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:01,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:01,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:38:01,609 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,704 INFO L628 ElimStorePlain]: treesize reduction 73, result has 61.6 percent of original size [2021-08-12 19:38:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:01,708 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 [2021-08-12 19:38:01,710 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:01,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:01,747 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 [2021-08-12 19:38:01,748 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:01,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:01,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:01,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:38:01,783 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:01,786 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 [2021-08-12 19:38:01,787 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,821 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-08-12 19:38:01,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:38:01,824 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-08-12 19:38:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:01,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522188463] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:01,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:38:01,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-08-12 19:38:01,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527563851] [2021-08-12 19:38:01,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:38:01,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:38:01,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:38:01,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:38:01,830 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) [2021-08-12 19:38:02,378 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2021-08-12 19:38:02,644 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-08-12 19:38:03,523 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-08-12 19:38:04,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:38:04,612 INFO L93 Difference]: Finished difference Result 6002 states and 21121 transitions. [2021-08-12 19:38:04,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 19:38:04,612 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 [2021-08-12 19:38:04,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:38:04,630 INFO L225 Difference]: With dead ends: 6002 [2021-08-12 19:38:04,630 INFO L226 Difference]: Without dead ends: 5891 [2021-08-12 19:38:04,631 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 4039.0ms TimeCoverageRelationStatistics Valid=193, Invalid=929, Unknown=0, NotChecked=0, Total=1122 [2021-08-12 19:38:04,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-08-12 19:38:04,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4605. [2021-08-12 19:38:04,843 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) [2021-08-12 19:38:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 16611 transitions. [2021-08-12 19:38:04,859 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 16611 transitions. Word has length 33 [2021-08-12 19:38:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:38:04,859 INFO L482 AbstractCegarLoop]: Abstraction has 4605 states and 16611 transitions. [2021-08-12 19:38:04,860 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) [2021-08-12 19:38:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 16611 transitions. [2021-08-12 19:38:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:38:04,868 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:38:04,868 INFO L550 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] [2021-08-12 19:38:05,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:38:05,073 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:38:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:38:05,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1389073446, now seen corresponding path program 12 times [2021-08-12 19:38:05,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:38:05,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195257983] [2021-08-12 19:38:05,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:38:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:38:05,503 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2021-08-12 19:38:05,698 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2021-08-12 19:38:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:05,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:38:05,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195257983] [2021-08-12 19:38:05,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195257983] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:05,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096089922] [2021-08-12 19:38:05,966 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 [2021-08-12 19:38:05,994 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 19:38:05,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:38:05,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-12 19:38:05,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:38:06,147 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 [2021-08-12 19:38:06,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:06,155 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 [2021-08-12 19:38:06,156 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:06,161 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 [2021-08-12 19:38:06,162 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:06,167 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 [2021-08-12 19:38:06,167 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:06,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:06,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:38:06,244 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-08-12 19:38:06,718 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-08-12 19:38:06,975 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_83, v_prenex_92, v_prenex_70, v_prenex_80, v_prenex_98, v_prenex_86, v_prenex_74, v_prenex_73, v_prenex_95, v_C_18, v_prenex_89, v_prenex_77], 3=[v_prenex_100, v_prenex_90, v_prenex_72, v_prenex_94, v_prenex_71, v_prenex_93, v_prenex_82, A, v_prenex_81, B, v_prenex_91, v_prenex_76, v_prenex_87, v_prenex_75, v_prenex_97, v_prenex_96, v_prenex_85, v_prenex_84, v_prenex_69, v_prenex_79, v_prenex_68, v_prenex_78, v_prenex_99, v_prenex_88]} [2021-08-12 19:38:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:06,996 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 [2021-08-12 19:38:06,997 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:07,538 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-08-12 19:38:07,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:07,556 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 [2021-08-12 19:38:07,557 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:08,051 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2021-08-12 19:38:08,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:08,071 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 [2021-08-12 19:38:08,072 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:08,602 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-08-12 19:38:08,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:08,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:08,624 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 [2021-08-12 19:38:08,626 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:08,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:08,645 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 [2021-08-12 19:38:08,646 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:09,164 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2021-08-12 19:38:09,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:09,182 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 [2021-08-12 19:38:09,184 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:09,698 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-08-12 19:38:09,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:09,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:09,718 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 [2021-08-12 19:38:09,719 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:10,221 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2021-08-12 19:38:10,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:10,240 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 30 treesize of output 32 [2021-08-12 19:38:10,241 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:10,259 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 [2021-08-12 19:38:10,260 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:10,744 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-08-12 19:38:10,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:10,764 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 [2021-08-12 19:38:10,765 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:10,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:10,783 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 [2021-08-12 19:38:10,783 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:11,298 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-08-12 19:38:11,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:11,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:11,321 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 [2021-08-12 19:38:11,322 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:11,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:11,341 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 30 treesize of output 32 [2021-08-12 19:38:11,342 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:11,828 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2021-08-12 19:38:11,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:11,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:11,846 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 [2021-08-12 19:38:11,847 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:12,341 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2021-08-12 19:38:12,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:12,363 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 [2021-08-12 19:38:12,364 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:12,866 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2021-08-12 19:38:12,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:12,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:12,882 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 [2021-08-12 19:38:12,883 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:13,355 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-08-12 19:38:13,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:13,372 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 63 treesize of output 39 [2021-08-12 19:38:13,374 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:13,839 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2021-08-12 19:38:13,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:13,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:13,853 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 63 treesize of output 39 [2021-08-12 19:38:13,859 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:14,305 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-08-12 19:38:14,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:14,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:14,324 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:14,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:38:14,339 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:14,760 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-08-12 19:38:14,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:14,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:14,774 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 55 treesize of output 39 [2021-08-12 19:38:14,776 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:15,206 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-08-12 19:38:15,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 43 [2021-08-12 19:38:15,225 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,236 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 49 treesize of output 31 [2021-08-12 19:38:15,238 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:15,638 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 136 [2021-08-12 19:38:15,639 INFO L628 ElimStorePlain]: treesize reduction 567, result has 51.5 percent of original size [2021-08-12 19:38:15,639 INFO L518 ElimStorePlain]: Eliminatee v_prenex_93 vanished before elimination [2021-08-12 19:38:15,639 INFO L518 ElimStorePlain]: Eliminatee v_prenex_82 vanished before elimination [2021-08-12 19:38:15,639 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:38:15,639 INFO L518 ElimStorePlain]: Eliminatee v_prenex_81 vanished before elimination [2021-08-12 19:38:15,639 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:38:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,646 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 73 treesize of output 43 [2021-08-12 19:38:15,648 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:15,858 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-08-12 19:38:15,859 INFO L628 ElimStorePlain]: treesize reduction 167, result has 69.9 percent of original size [2021-08-12 19:38:15,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:15,868 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:15,875 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:15,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:15,960 INFO L518 ElimStorePlain]: Eliminatee v_prenex_87 vanished before elimination [2021-08-12 19:38:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:15,970 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:15,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:38:15,976 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:16,062 INFO L628 ElimStorePlain]: treesize reduction 110, result has 60.3 percent of original size [2021-08-12 19:38:16,062 INFO L518 ElimStorePlain]: Eliminatee v_prenex_97 vanished before elimination [2021-08-12 19:38:16,062 INFO L518 ElimStorePlain]: Eliminatee v_prenex_96 vanished before elimination [2021-08-12 19:38:16,062 INFO L518 ElimStorePlain]: Eliminatee v_prenex_85 vanished before elimination [2021-08-12 19:38:16,062 INFO L518 ElimStorePlain]: Eliminatee v_prenex_84 vanished before elimination [2021-08-12 19:38:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:16,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:16,068 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:16,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:16,099 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-08-12 19:38:16,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:16,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:16,103 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 69 treesize of output 41 [2021-08-12 19:38:16,105 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:16,148 INFO L628 ElimStorePlain]: treesize reduction 34, result has 70.2 percent of original size [2021-08-12 19:38:16,149 INFO L518 ElimStorePlain]: Eliminatee v_prenex_78 vanished before elimination [2021-08-12 19:38:16,149 INFO L518 ElimStorePlain]: Eliminatee v_prenex_99 vanished before elimination [2021-08-12 19:38:16,149 INFO L518 ElimStorePlain]: Eliminatee v_prenex_88 vanished before elimination [2021-08-12 19:38:16,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 36 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:38:16,149 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 36 variables, input treesize:1345, output treesize:80 [2021-08-12 19:38:16,306 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 [2021-08-12 19:38:16,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:16,310 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 [2021-08-12 19:38:16,311 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:16,320 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-08-12 19:38:16,320 INFO L518 ElimStorePlain]: Eliminatee v_prenex_101 vanished before elimination [2021-08-12 19:38:16,321 INFO L518 ElimStorePlain]: Eliminatee v_prenex_102 vanished before elimination [2021-08-12 19:38:16,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:38:16,321 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-08-12 19:38:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:16,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096089922] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:16,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:38:16,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-08-12 19:38:16,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890544650] [2021-08-12 19:38:16,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 19:38:16,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:38:16,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 19:38:16,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-08-12 19:38:16,328 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) [2021-08-12 19:38:16,832 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-08-12 19:38:17,605 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-08-12 19:38:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:38:19,334 INFO L93 Difference]: Finished difference Result 7477 states and 26043 transitions. [2021-08-12 19:38:19,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 19:38:19,334 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 [2021-08-12 19:38:19,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:38:19,356 INFO L225 Difference]: With dead ends: 7477 [2021-08-12 19:38:19,356 INFO L226 Difference]: Without dead ends: 7355 [2021-08-12 19:38:19,358 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 2706.1ms TimeCoverageRelationStatistics Valid=241, Invalid=1241, Unknown=0, NotChecked=0, Total=1482 [2021-08-12 19:38:19,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2021-08-12 19:38:19,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 5024. [2021-08-12 19:38:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 5023 states have (on average 3.5988453115667927) internal successors, (18077), 5023 states have internal predecessors, (18077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:38:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 18077 transitions. [2021-08-12 19:38:19,643 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 18077 transitions. Word has length 33 [2021-08-12 19:38:19,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:38:19,643 INFO L482 AbstractCegarLoop]: Abstraction has 5024 states and 18077 transitions. [2021-08-12 19:38:19,644 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) [2021-08-12 19:38:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 18077 transitions. [2021-08-12 19:38:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:38:19,651 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:38:19,652 INFO L550 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] [2021-08-12 19:38:19,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-08-12 19:38:19,852 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:38:19,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:38:19,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1709581408, now seen corresponding path program 13 times [2021-08-12 19:38:19,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:38:19,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249734314] [2021-08-12 19:38:19,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:38:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:38:20,346 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2021-08-12 19:38:20,644 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 45 [2021-08-12 19:38:20,881 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 23 [2021-08-12 19:38:21,158 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2021-08-12 19:38:21,408 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2021-08-12 19:38:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:21,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:38:21,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249734314] [2021-08-12 19:38:21,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249734314] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:21,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091383600] [2021-08-12 19:38:21,504 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 [2021-08-12 19:38:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:38:21,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:38:21,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:38:21,689 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 [2021-08-12 19:38:21,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:21,693 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 [2021-08-12 19:38:21,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:21,697 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 [2021-08-12 19:38:21,698 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:21,702 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 [2021-08-12 19:38:21,702 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:21,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:21,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:38:21,768 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:221, output treesize:217 [2021-08-12 19:38:22,214 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-08-12 19:38:22,828 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-08-12 19:38:23,523 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_120, v_prenex_131, v_prenex_132, v_prenex_110, v_prenex_122, v_prenex_111, v_prenex_123, v_prenex_134, v_prenex_113, v_prenex_135, v_prenex_125, v_prenex_103, v_prenex_114, v_prenex_126, v_prenex_104, v_prenex_116, v_prenex_106, v_prenex_128, v_prenex_117, v_prenex_107, v_prenex_129, v_prenex_119, A, B], 2=[v_prenex_118, v_prenex_108, v_prenex_109, v_C_20, v_prenex_130, v_prenex_121, v_prenex_133, v_prenex_112, v_prenex_124, v_prenex_115, v_prenex_105, v_prenex_127]} [2021-08-12 19:38:23,544 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 43 treesize of output 29 [2021-08-12 19:38:23,546 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:23,565 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 52 treesize of output 36 [2021-08-12 19:38:23,567 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:25,413 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 355 DAG size of output: 335 [2021-08-12 19:38:25,413 INFO L628 ElimStorePlain]: treesize reduction 568, result has 74.6 percent of original size [2021-08-12 19:38:25,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:25,449 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:25,464 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 43 treesize of output 29 [2021-08-12 19:38:25,467 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:26,312 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2021-08-12 19:38:26,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:26,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:26,335 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:26,351 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 37 treesize of output 25 [2021-08-12 19:38:26,353 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:27,178 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-08-12 19:38:27,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:27,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:27,195 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:28,030 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-08-12 19:38:28,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:28,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:28,050 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:28,863 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-08-12 19:38:28,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:28,877 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 46 treesize of output 30 [2021-08-12 19:38:28,880 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:29,657 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-08-12 19:38:29,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:29,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:29,674 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:30,477 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-08-12 19:38:30,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:30,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:30,504 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:30,522 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 41 treesize of output 29 [2021-08-12 19:38:30,524 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:31,273 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-08-12 19:38:31,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:31,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:31,316 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:31,340 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 50 treesize of output 36 [2021-08-12 19:38:31,342 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:31,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:31,366 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:31,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:31,384 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:32,133 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2021-08-12 19:38:32,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:32,158 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 52 treesize of output 34 [2021-08-12 19:38:32,161 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:32,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:32,180 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:32,938 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-08-12 19:38:32,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:32,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:32,959 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:33,646 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-08-12 19:38:33,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:33,663 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 50 treesize of output 36 [2021-08-12 19:38:33,665 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:34,390 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-08-12 19:38:34,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:34,415 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 37 treesize of output 25 [2021-08-12 19:38:34,417 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:34,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:34,456 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:34,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:34,480 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:34,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:34,496 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:35,171 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-08-12 19:38:35,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:35,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:35,189 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:35,890 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-08-12 19:38:35,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:35,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:35,907 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:36,590 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-08-12 19:38:36,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:36,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:36,615 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:36,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:36,635 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:37,324 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2021-08-12 19:38:37,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:37,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:38:37,356 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:37,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:37,376 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:38,049 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-08-12 19:38:38,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:38,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:38,075 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:38,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:38:38,097 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:38,783 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-08-12 19:38:38,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:38,806 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 44 treesize of output 30 [2021-08-12 19:38:38,808 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:38,824 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 44 treesize of output 30 [2021-08-12 19:38:38,826 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:39,461 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-08-12 19:38:39,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:39,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:39,485 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:39,503 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 39 treesize of output 25 [2021-08-12 19:38:39,506 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:40,134 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2021-08-12 19:38:40,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:40,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:40,159 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:40,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:40,178 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:40,736 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-08-12 19:38:40,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:40,756 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 52 treesize of output 34 [2021-08-12 19:38:40,759 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:40,775 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 39 treesize of output 25 [2021-08-12 19:38:40,780 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:41,332 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-08-12 19:38:41,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:41,354 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 41 treesize of output 29 [2021-08-12 19:38:41,360 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:41,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:41,385 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:41,407 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 43 treesize of output 29 [2021-08-12 19:38:41,409 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:41,425 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 52 treesize of output 36 [2021-08-12 19:38:41,428 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:41,934 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-08-12 19:38:41,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:41,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:41,958 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:41,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:41,980 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:41,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:38:42,001 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:42,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:42,018 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:38:42,494 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-08-12 19:38:42,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:42,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:42,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:42,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-08-12 19:38:42,524 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:42,546 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 [2021-08-12 19:38:42,547 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:43,015 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2021-08-12 19:38:43,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:43,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:43,037 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 [2021-08-12 19:38:43,038 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:43,059 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 16 treesize of output 18 [2021-08-12 19:38:43,060 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:43,519 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-08-12 19:38:43,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:43,539 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 18 treesize of output 20 [2021-08-12 19:38:43,540 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:43,979 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-08-12 19:38:43,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:43,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:43,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:44,002 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 [2021-08-12 19:38:44,003 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:44,024 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 [2021-08-12 19:38:44,025 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:44,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:44,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:44,048 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 [2021-08-12 19:38:44,049 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:44,069 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 [2021-08-12 19:38:44,070 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:44,476 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2021-08-12 19:38:44,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:44,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:44,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:44,501 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 [2021-08-12 19:38:44,502 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:44,525 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 [2021-08-12 19:38:44,526 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:44,938 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-08-12 19:38:44,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:44,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:44,956 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 [2021-08-12 19:38:44,957 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:45,355 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-08-12 19:38:45,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:45,378 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 [2021-08-12 19:38:45,379 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:45,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:45,397 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 [2021-08-12 19:38:45,397 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:45,780 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-08-12 19:38:45,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:45,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:45,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:45,799 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 [2021-08-12 19:38:45,800 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:45,818 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 [2021-08-12 19:38:45,819 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:45,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:45,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:45,837 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 [2021-08-12 19:38:45,838 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:45,857 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 [2021-08-12 19:38:45,858 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:46,199 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-08-12 19:38:46,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:46,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:46,219 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 [2021-08-12 19:38:46,220 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:46,559 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-08-12 19:38:46,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:46,577 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 18 treesize of output 20 [2021-08-12 19:38:46,578 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:46,595 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 18 treesize of output 20 [2021-08-12 19:38:46,596 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:46,924 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-08-12 19:38:46,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:46,941 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 18 treesize of output 20 [2021-08-12 19:38:46,942 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:47,262 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-08-12 19:38:47,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:47,280 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 [2021-08-12 19:38:47,281 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:47,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:38:47,298 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 [2021-08-12 19:38:47,299 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:47,622 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-08-12 19:38:47,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:47,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 36 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-08-12 19:38:47,632 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 36 variables, input treesize:2273, output treesize:315 [2021-08-12 19:38:47,789 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 [2021-08-12 19:38:47,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:47,803 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-08-12 19:38:47,804 INFO L518 ElimStorePlain]: Eliminatee v_prenex_136 vanished before elimination [2021-08-12 19:38:47,804 INFO L518 ElimStorePlain]: Eliminatee v_prenex_137 vanished before elimination [2021-08-12 19:38:47,804 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-08-12 19:38:47,804 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:38:47,804 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-08-12 19:38:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:47,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091383600] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:47,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:38:47,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-08-12 19:38:47,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488031690] [2021-08-12 19:38:47,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:38:47,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:38:47,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:38:47,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:38:47,816 INFO L87 Difference]: Start difference. First operand 5024 states and 18077 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) [2021-08-12 19:38:48,218 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-08-12 19:38:48,789 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2021-08-12 19:38:49,316 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-08-12 19:38:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:38:50,514 INFO L93 Difference]: Finished difference Result 8728 states and 30500 transitions. [2021-08-12 19:38:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 19:38:50,515 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 [2021-08-12 19:38:50,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:38:50,534 INFO L225 Difference]: With dead ends: 8728 [2021-08-12 19:38:50,534 INFO L226 Difference]: Without dead ends: 6813 [2021-08-12 19:38:50,538 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 3462.3ms TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2021-08-12 19:38:50,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6813 states. [2021-08-12 19:38:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6813 to 5105. [2021-08-12 19:38:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5105 states, 5104 states have (on average 3.584051724137931) internal successors, (18293), 5104 states have internal predecessors, (18293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:38:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 18293 transitions. [2021-08-12 19:38:50,873 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 18293 transitions. Word has length 33 [2021-08-12 19:38:50,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:38:50,873 INFO L482 AbstractCegarLoop]: Abstraction has 5105 states and 18293 transitions. [2021-08-12 19:38:50,873 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) [2021-08-12 19:38:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 18293 transitions. [2021-08-12 19:38:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:38:50,882 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:38:50,882 INFO L550 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] [2021-08-12 19:38:51,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:38:51,101 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:38:51,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:38:51,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1839447846, now seen corresponding path program 14 times [2021-08-12 19:38:51,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:38:51,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976842016] [2021-08-12 19:38:51,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:38:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:38:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:51,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:38:51,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976842016] [2021-08-12 19:38:51,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976842016] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:51,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366274359] [2021-08-12 19:38:51,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:38:51,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 19:38:51,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:38:51,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:38:51,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:38:51,903 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 [2021-08-12 19:38:51,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:51,908 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 [2021-08-12 19:38:51,908 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:51,912 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 [2021-08-12 19:38:51,913 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:51,917 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 [2021-08-12 19:38:51,917 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:51,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:51,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:38:51,991 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-08-12 19:38:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,100 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 [2021-08-12 19:38:52,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:52,212 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-08-12 19:38:52,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:52,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,218 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 30 treesize of output 32 [2021-08-12 19:38:52,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:52,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:52,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,304 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 [2021-08-12 19:38:52,304 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:52,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,384 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 [2021-08-12 19:38:52,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:52,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:52,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:38:52,483 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-08-12 19:38:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:52,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,796 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 61 treesize of output 39 [2021-08-12 19:38:52,797 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:52,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,809 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 61 treesize of output 39 [2021-08-12 19:38:52,810 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:52,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:52,821 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,237 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-08-12 19:38:53,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:53,249 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:53,261 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:53,272 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:53,280 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,587 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2021-08-12 19:38:53,587 INFO L628 ElimStorePlain]: treesize reduction 723, result has 35.4 percent of original size [2021-08-12 19:38:53,587 INFO L518 ElimStorePlain]: Eliminatee v_prenex_142 vanished before elimination [2021-08-12 19:38:53,587 INFO L518 ElimStorePlain]: Eliminatee v_prenex_143 vanished before elimination [2021-08-12 19:38:53,587 INFO L518 ElimStorePlain]: Eliminatee v_prenex_144 vanished before elimination [2021-08-12 19:38:53,587 INFO L518 ElimStorePlain]: Eliminatee v_prenex_145 vanished before elimination [2021-08-12 19:38:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,594 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 61 treesize of output 39 [2021-08-12 19:38:53,596 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:53,604 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:53,612 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,617 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 57 treesize of output 39 [2021-08-12 19:38:53,618 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:53,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,693 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 59 treesize of output 35 [2021-08-12 19:38:53,694 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,700 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 55 treesize of output 35 [2021-08-12 19:38:53,702 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,708 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 69 treesize of output 41 [2021-08-12 19:38:53,709 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:53,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:38:53,714 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,760 INFO L628 ElimStorePlain]: treesize reduction 65, result has 56.4 percent of original size [2021-08-12 19:38:53,760 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:38:53,761 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:1361, output treesize:78 [2021-08-12 19:38:53,926 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 [2021-08-12 19:38:53,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,930 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 [2021-08-12 19:38:53,930 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,941 INFO L628 ElimStorePlain]: treesize reduction 88, result has 5.4 percent of original size [2021-08-12 19:38:53,942 INFO L518 ElimStorePlain]: Eliminatee v_prenex_148 vanished before elimination [2021-08-12 19:38:53,942 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-08-12 19:38:53,959 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:38:53,959 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:135, output treesize:5 [2021-08-12 19:38:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:53,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366274359] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:53,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:38:53,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-12 19:38:53,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297080800] [2021-08-12 19:38:53,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 19:38:53,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:38:53,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 19:38:53,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-08-12 19:38:53,966 INFO L87 Difference]: Start difference. First operand 5105 states and 18293 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) [2021-08-12 19:38:54,262 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2021-08-12 19:38:54,561 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2021-08-12 19:38:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:38:55,727 INFO L93 Difference]: Finished difference Result 6627 states and 23293 transitions. [2021-08-12 19:38:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 19:38:55,728 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 [2021-08-12 19:38:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:38:55,743 INFO L225 Difference]: With dead ends: 6627 [2021-08-12 19:38:55,744 INFO L226 Difference]: Without dead ends: 6542 [2021-08-12 19:38:55,745 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1271.7ms TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-08-12 19:38:55,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6542 states. [2021-08-12 19:38:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6542 to 5045. [2021-08-12 19:38:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5045 states, 5044 states have (on average 3.5779143536875497) internal successors, (18047), 5044 states have internal predecessors, (18047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:38:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5045 states to 5045 states and 18047 transitions. [2021-08-12 19:38:56,046 INFO L78 Accepts]: Start accepts. Automaton has 5045 states and 18047 transitions. Word has length 33 [2021-08-12 19:38:56,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:38:56,046 INFO L482 AbstractCegarLoop]: Abstraction has 5045 states and 18047 transitions. [2021-08-12 19:38:56,046 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) [2021-08-12 19:38:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5045 states and 18047 transitions. [2021-08-12 19:38:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:38:56,055 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:38:56,055 INFO L550 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] [2021-08-12 19:38:56,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:38:56,271 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:38:56,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:38:56,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1784385830, now seen corresponding path program 15 times [2021-08-12 19:38:56,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:38:56,271 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161325268] [2021-08-12 19:38:56,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:38:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:38:56,786 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 44 [2021-08-12 19:38:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:38:57,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:38:57,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161325268] [2021-08-12 19:38:57,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161325268] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:38:57,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449487011] [2021-08-12 19:38:57,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:38:57,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-12 19:38:57,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:38:57,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-08-12 19:38:57,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:38:57,219 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 [2021-08-12 19:38:57,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,224 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 [2021-08-12 19:38:57,225 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,230 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 [2021-08-12 19:38:57,230 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,234 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 [2021-08-12 19:38:57,234 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:57,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:38:57,307 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:261, output treesize:257 [2021-08-12 19:38:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:57,429 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 [2021-08-12 19:38:57,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:57,522 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 [2021-08-12 19:38:57,522 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:57,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:57,621 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 [2021-08-12 19:38:57,622 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:38:57,719 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 [2021-08-12 19:38:57,720 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:38:57,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:38:57,808 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:38:57,808 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:305, output treesize:301 [2021-08-12 19:38:58,240 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-08-12 19:39:00,083 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:00,083 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 40 treesize of output 52 [2021-08-12 19:39:00,103 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:00,168 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-08-12 19:39:00,168 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 49 treesize of output 55 [2021-08-12 19:39:00,177 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:00,239 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-08-12 19:39:00,239 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 40 treesize of output 48 [2021-08-12 19:39:00,246 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:00,274 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-08-12 19:39:00,274 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 49 treesize of output 1 [2021-08-12 19:39:00,275 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:02,054 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 247 DAG size of output: 212 [2021-08-12 19:39:02,055 INFO L628 ElimStorePlain]: treesize reduction 682, result has 73.7 percent of original size [2021-08-12 19:39:02,094 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:02,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 45 [2021-08-12 19:39:02,102 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:02,143 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:39:02,143 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 [2021-08-12 19:39:02,160 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-08-12 19:39:03,326 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 206 DAG size of output: 192 [2021-08-12 19:39:03,327 INFO L628 ElimStorePlain]: treesize reduction 566, result has 69.9 percent of original size [2021-08-12 19:39:03,360 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-08-12 19:39:03,360 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 42 treesize of output 31 [2021-08-12 19:39:03,361 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:03,395 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:03,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2021-08-12 19:39:03,417 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-08-12 19:39:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:03,455 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:03,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2021-08-12 19:39:03,463 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-08-12 19:39:03,512 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:39:03,512 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 51 treesize of output 51 [2021-08-12 19:39:03,517 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:03,571 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-08-12 19:39:03,572 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 51 treesize of output 55 [2021-08-12 19:39:03,578 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:03,609 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-08-12 19:39:03,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 1 [2021-08-12 19:39:03,610 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:03,655 INFO L354 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-08-12 19:39:03,656 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 42 treesize of output 36 [2021-08-12 19:39:03,658 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-08-12 19:39:03,744 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-08-12 19:39:03,745 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 51 treesize of output 55 [2021-08-12 19:39:03,754 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:03,789 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-08-12 19:39:03,789 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 51 treesize of output 47 [2021-08-12 19:39:03,792 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:04,815 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 238 DAG size of output: 219 [2021-08-12 19:39:04,815 INFO L628 ElimStorePlain]: treesize reduction 196, result has 86.8 percent of original size [2021-08-12 19:39:04,843 INFO L354 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-08-12 19:39:04,843 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 60 treesize of output 50 [2021-08-12 19:39:04,849 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2021-08-12 19:39:05,670 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2021-08-12 19:39:05,670 INFO L628 ElimStorePlain]: treesize reduction 116, result has 90.7 percent of original size [2021-08-12 19:39:05,716 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-08-12 19:39:05,716 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 86 treesize of output 80 [2021-08-12 19:39:05,734 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:05,769 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:39:05,770 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 67 [2021-08-12 19:39:05,783 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 3 xjuncts. [2021-08-12 19:39:06,053 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 41 [2021-08-12 19:39:06,053 INFO L628 ElimStorePlain]: treesize reduction 960, result has 15.0 percent of original size [2021-08-12 19:39:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_154 vanished before elimination [2021-08-12 19:39:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_155 vanished before elimination [2021-08-12 19:39:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_156 vanished before elimination [2021-08-12 19:39:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-08-12 19:39:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-08-12 19:39:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-08-12 19:39:06,053 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:39:06,054 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:39:06,063 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 13 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:39:06,063 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 14 variables, input treesize:2561, output treesize:154 [2021-08-12 19:39:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:06,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:06,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:06,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:06,466 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:06,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:06,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:06,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:06,546 INFO L628 ElimStorePlain]: treesize reduction 111, result has 45.0 percent of original size [2021-08-12 19:39:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:06,550 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 [2021-08-12 19:39:06,551 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:06,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:06,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:06,578 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 [2021-08-12 19:39:06,578 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:06,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:06,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:06,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:06,603 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:06,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:06,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:06,621 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-08-12 19:39:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:06,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449487011] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:06,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:39:06,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-08-12 19:39:06,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453324186] [2021-08-12 19:39:06,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:39:06,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:39:06,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:39:06,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:39:06,627 INFO L87 Difference]: Start difference. First operand 5045 states and 18047 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) [2021-08-12 19:39:07,011 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2021-08-12 19:39:07,345 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-08-12 19:39:07,659 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2021-08-12 19:39:08,150 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-08-12 19:39:08,434 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-08-12 19:39:08,734 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-08-12 19:39:09,392 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-08-12 19:39:09,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:39:09,909 INFO L93 Difference]: Finished difference Result 7254 states and 25161 transitions. [2021-08-12 19:39:09,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-12 19:39:09,909 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 [2021-08-12 19:39:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:39:09,925 INFO L225 Difference]: With dead ends: 7254 [2021-08-12 19:39:09,925 INFO L226 Difference]: Without dead ends: 6933 [2021-08-12 19:39:09,926 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 2903.7ms TimeCoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2021-08-12 19:39:09,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2021-08-12 19:39:10,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 5077. [2021-08-12 19:39:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 5076 states have (on average 3.573483057525611) internal successors, (18139), 5076 states have internal predecessors, (18139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:39:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 18139 transitions. [2021-08-12 19:39:10,225 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 18139 transitions. Word has length 33 [2021-08-12 19:39:10,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:39:10,225 INFO L482 AbstractCegarLoop]: Abstraction has 5077 states and 18139 transitions. [2021-08-12 19:39:10,225 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) [2021-08-12 19:39:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 18139 transitions. [2021-08-12 19:39:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:39:10,234 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:39:10,234 INFO L550 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] [2021-08-12 19:39:10,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:39:10,434 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:39:10,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:39:10,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1751058778, now seen corresponding path program 16 times [2021-08-12 19:39:10,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:39:10,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647683701] [2021-08-12 19:39:10,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:39:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:39:10,861 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 51 [2021-08-12 19:39:11,083 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2021-08-12 19:39:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:11,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:39:11,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647683701] [2021-08-12 19:39:11,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647683701] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:11,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824032760] [2021-08-12 19:39:11,319 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:39:11,347 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 19:39:11,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:39:11,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:39:11,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:39:11,478 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 [2021-08-12 19:39:11,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:11,483 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 [2021-08-12 19:39:11,484 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:11,488 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 [2021-08-12 19:39:11,489 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:11,493 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 [2021-08-12 19:39:11,494 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:11,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:11,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:39:11,570 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-08-12 19:39:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:11,681 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 30 treesize of output 32 [2021-08-12 19:39:11,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:11,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:11,760 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 [2021-08-12 19:39:11,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:11,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:11,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:11,841 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 30 treesize of output 32 [2021-08-12 19:39:11,842 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:11,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:11,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:11,925 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 [2021-08-12 19:39:11,926 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:12,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:12,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:39:12,004 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-08-12 19:39:12,361 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-08-12 19:39:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:12,400 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 34 treesize of output 26 [2021-08-12 19:39:12,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:12,408 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 40 treesize of output 32 [2021-08-12 19:39:12,410 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:12,416 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 [2021-08-12 19:39:12,417 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:12,741 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-08-12 19:39:12,742 INFO L628 ElimStorePlain]: treesize reduction 234, result has 72.4 percent of original size [2021-08-12 19:39:12,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:12,749 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 [2021-08-12 19:39:12,750 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:12,754 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 [2021-08-12 19:39:12,755 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:12,897 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-08-12 19:39:12,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:12,903 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 [2021-08-12 19:39:12,904 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:12,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:12,908 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 34 treesize of output 26 [2021-08-12 19:39:12,909 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:13,044 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-08-12 19:39:13,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:13,050 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 [2021-08-12 19:39:13,051 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:13,055 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 [2021-08-12 19:39:13,056 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:13,060 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 [2021-08-12 19:39:13,061 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:13,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:13,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-08-12 19:39:13,161 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:909, output treesize:443 [2021-08-12 19:39:13,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:13,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:13,701 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 29 treesize of output 17 [2021-08-12 19:39:13,703 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:13,719 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 27 treesize of output 17 [2021-08-12 19:39:13,720 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:13,732 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 27 treesize of output 17 [2021-08-12 19:39:13,734 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:14,688 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-08-12 19:39:14,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:14,701 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 27 treesize of output 15 [2021-08-12 19:39:14,703 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:14,712 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 25 treesize of output 15 [2021-08-12 19:39:14,713 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:15,758 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 225 DAG size of output: 173 [2021-08-12 19:39:15,758 INFO L628 ElimStorePlain]: treesize reduction 728, result has 56.2 percent of original size [2021-08-12 19:39:15,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:15,778 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:16,123 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-08-12 19:39:16,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:16,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:16,135 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:16,147 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 [2021-08-12 19:39:16,149 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:16,160 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 [2021-08-12 19:39:16,161 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:16,168 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 29 treesize of output 17 [2021-08-12 19:39:16,169 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:16,481 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-08-12 19:39:16,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:16,489 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 27 treesize of output 15 [2021-08-12 19:39:16,490 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:16,606 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 5 [2021-08-12 19:39:16,606 INFO L628 ElimStorePlain]: treesize reduction 754, result has 0.7 percent of original size [2021-08-12 19:39:16,606 INFO L518 ElimStorePlain]: Eliminatee v_prenex_182 vanished before elimination [2021-08-12 19:39:16,606 INFO L518 ElimStorePlain]: Eliminatee v_prenex_193 vanished before elimination [2021-08-12 19:39:16,606 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-08-12 19:39:16,606 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_185 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_186 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_187 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_176 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_188 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_177 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_189 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:39:16,607 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:39:16,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:16,609 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-08-12 19:39:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:16,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824032760] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:16,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:39:16,621 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-12 19:39:16,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050190990] [2021-08-12 19:39:16,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 19:39:16,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:39:16,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 19:39:16,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-08-12 19:39:16,621 INFO L87 Difference]: Start difference. First operand 5077 states and 18139 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) [2021-08-12 19:39:16,769 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2021-08-12 19:39:17,016 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-08-12 19:39:17,309 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2021-08-12 19:39:17,519 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-08-12 19:39:17,767 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-08-12 19:39:18,050 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-08-12 19:39:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:39:18,799 INFO L93 Difference]: Finished difference Result 6773 states and 23847 transitions. [2021-08-12 19:39:18,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 19:39:18,800 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 [2021-08-12 19:39:18,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:39:18,816 INFO L225 Difference]: With dead ends: 6773 [2021-08-12 19:39:18,816 INFO L226 Difference]: Without dead ends: 6635 [2021-08-12 19:39:18,818 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2155.3ms TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-08-12 19:39:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2021-08-12 19:39:19,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 5089. [2021-08-12 19:39:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 5088 states have (on average 3.570951257861635) internal successors, (18169), 5088 states have internal predecessors, (18169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:39:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 18169 transitions. [2021-08-12 19:39:19,149 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 18169 transitions. Word has length 33 [2021-08-12 19:39:19,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:39:19,150 INFO L482 AbstractCegarLoop]: Abstraction has 5089 states and 18169 transitions. [2021-08-12 19:39:19,150 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) [2021-08-12 19:39:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 18169 transitions. [2021-08-12 19:39:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:39:19,158 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:39:19,158 INFO L550 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] [2021-08-12 19:39:19,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable951 [2021-08-12 19:39:19,360 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:39:19,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:39:19,360 INFO L82 PathProgramCache]: Analyzing trace with hash 103433024, now seen corresponding path program 17 times [2021-08-12 19:39:19,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:39:19,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672037607] [2021-08-12 19:39:19,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:39:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:39:19,598 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2021-08-12 19:39:19,800 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 43 [2021-08-12 19:39:20,078 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2021-08-12 19:39:20,182 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 104 [2021-08-12 19:39:20,379 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 49 [2021-08-12 19:39:20,483 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 101 [2021-08-12 19:39:20,674 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-08-12 19:39:20,812 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2021-08-12 19:39:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:21,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:39:21,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672037607] [2021-08-12 19:39:21,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672037607] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:21,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214190503] [2021-08-12 19:39:21,153 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 [2021-08-12 19:39:21,182 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-12 19:39:21,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:39:21,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-12 19:39:21,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:39:21,340 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 [2021-08-12 19:39:21,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:21,344 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 [2021-08-12 19:39:21,345 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:21,349 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 [2021-08-12 19:39:21,350 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:21,354 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 [2021-08-12 19:39:21,354 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:21,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:21,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:39:21,438 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:289, output treesize:285 [2021-08-12 19:39:21,746 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-08-12 19:39:21,953 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-08-12 19:39:21,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:21,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:21,972 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 35 [2021-08-12 19:39:21,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:21,979 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 [2021-08-12 19:39:21,980 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:22,245 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2021-08-12 19:39:22,245 INFO L628 ElimStorePlain]: treesize reduction 153, result has 74.4 percent of original size [2021-08-12 19:39:22,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:22,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:22,255 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 35 [2021-08-12 19:39:22,256 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:22,263 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 [2021-08-12 19:39:22,264 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:22,396 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-08-12 19:39:22,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:22,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:22,403 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 35 [2021-08-12 19:39:22,404 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:22,532 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-08-12 19:39:22,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:22,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:22,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:22,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:22,540 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 35 [2021-08-12 19:39:22,541 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:22,547 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 [2021-08-12 19:39:22,547 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:22,670 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-08-12 19:39:22,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:22,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-08-12 19:39:22,673 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:593, output treesize:451 [2021-08-12 19:39:22,816 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-08-12 19:39:23,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,090 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 59 treesize of output 39 [2021-08-12 19:39:23,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:23,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:23,107 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:23,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:23,123 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:23,139 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:23,865 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-08-12 19:39:23,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:23,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,879 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 65 treesize of output 41 [2021-08-12 19:39:23,880 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:23,894 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:23,908 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:23,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:23,919 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:24,575 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-08-12 19:39:24,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 26 [2021-08-12 19:39:24,589 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,602 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 44 treesize of output 26 [2021-08-12 19:39:24,603 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 30 [2021-08-12 19:39:24,616 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:24,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:24,626 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 [2021-08-12 19:39:24,627 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:25,586 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 128 [2021-08-12 19:39:25,586 INFO L628 ElimStorePlain]: treesize reduction 362, result has 78.6 percent of original size [2021-08-12 19:39:25,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,597 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 61 treesize of output 39 [2021-08-12 19:39:25,598 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:25,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,608 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 39 [2021-08-12 19:39:25,610 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:25,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:25,621 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:25,628 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 59 treesize of output 39 [2021-08-12 19:39:25,629 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,009 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-08-12 19:39:26,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:26,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:26,021 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:26,031 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:26,042 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:26,049 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,342 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2021-08-12 19:39:26,342 INFO L628 ElimStorePlain]: treesize reduction 683, result has 37.3 percent of original size [2021-08-12 19:39:26,342 INFO L518 ElimStorePlain]: Eliminatee v_prenex_199 vanished before elimination [2021-08-12 19:39:26,342 INFO L518 ElimStorePlain]: Eliminatee v_prenex_200 vanished before elimination [2021-08-12 19:39:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,349 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 63 treesize of output 41 [2021-08-12 19:39:26,350 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:26,358 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:26,367 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,371 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 65 treesize of output 41 [2021-08-12 19:39:26,372 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,450 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 52 treesize of output 30 [2021-08-12 19:39:26,451 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,458 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 46 treesize of output 26 [2021-08-12 19:39:26,459 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,465 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 44 treesize of output 26 [2021-08-12 19:39:26,466 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:26,470 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 50 treesize of output 30 [2021-08-12 19:39:26,471 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,542 INFO L628 ElimStorePlain]: treesize reduction 65, result has 54.5 percent of original size [2021-08-12 19:39:26,542 INFO L518 ElimStorePlain]: Eliminatee v_prenex_203 vanished before elimination [2021-08-12 19:39:26,542 INFO L518 ElimStorePlain]: Eliminatee v_prenex_204 vanished before elimination [2021-08-12 19:39:26,542 INFO L518 ElimStorePlain]: Eliminatee v_prenex_205 vanished before elimination [2021-08-12 19:39:26,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:39:26,543 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 12 variables, input treesize:2017, output treesize:78 [2021-08-12 19:39:26,620 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 22 treesize of output 14 [2021-08-12 19:39:26,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,624 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 [2021-08-12 19:39:26,625 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,637 INFO L628 ElimStorePlain]: treesize reduction 88, result has 5.4 percent of original size [2021-08-12 19:39:26,637 INFO L518 ElimStorePlain]: Eliminatee v_prenex_208 vanished before elimination [2021-08-12 19:39:26,637 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-08-12 19:39:26,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:26,637 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:135, output treesize:5 [2021-08-12 19:39:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:26,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214190503] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:26,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:39:26,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-08-12 19:39:26,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867305070] [2021-08-12 19:39:26,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-12 19:39:26,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:39:26,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-12 19:39:26,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2021-08-12 19:39:26,643 INFO L87 Difference]: Start difference. First operand 5089 states and 18169 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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) [2021-08-12 19:39:26,913 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-08-12 19:39:27,328 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-08-12 19:39:27,672 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2021-08-12 19:39:29,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:39:29,303 INFO L93 Difference]: Finished difference Result 7077 states and 24651 transitions. [2021-08-12 19:39:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 19:39:29,303 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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 [2021-08-12 19:39:29,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:39:29,318 INFO L225 Difference]: With dead ends: 7077 [2021-08-12 19:39:29,318 INFO L226 Difference]: Without dead ends: 6902 [2021-08-12 19:39:29,319 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2662.3ms TimeCoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2021-08-12 19:39:29,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6902 states. [2021-08-12 19:39:29,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6902 to 5090. [2021-08-12 19:39:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5090 states, 5089 states have (on average 3.572018078207899) internal successors, (18178), 5089 states have internal predecessors, (18178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:39:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5090 states to 5090 states and 18178 transitions. [2021-08-12 19:39:29,624 INFO L78 Accepts]: Start accepts. Automaton has 5090 states and 18178 transitions. Word has length 33 [2021-08-12 19:39:29,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:39:29,624 INFO L482 AbstractCegarLoop]: Abstraction has 5090 states and 18178 transitions. [2021-08-12 19:39:29,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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) [2021-08-12 19:39:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 5090 states and 18178 transitions. [2021-08-12 19:39:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:39:29,633 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:39:29,633 INFO L550 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] [2021-08-12 19:39:29,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1079 [2021-08-12 19:39:29,834 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:39:29,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:39:29,834 INFO L82 PathProgramCache]: Analyzing trace with hash -320803294, now seen corresponding path program 18 times [2021-08-12 19:39:29,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:39:29,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889639159] [2021-08-12 19:39:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:39:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:39:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:30,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:39:30,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889639159] [2021-08-12 19:39:30,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889639159] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:30,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157278035] [2021-08-12 19:39:30,389 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 [2021-08-12 19:39:30,419 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 19:39:30,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:39:30,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-12 19:39:30,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:39:30,521 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 [2021-08-12 19:39:30,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:30,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:30,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:30,534 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:39:31,021 INFO L446 ElimStorePlain]: Different costs {1=[v_C_30], 6=[A, B]} [2021-08-12 19:39:31,040 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,040 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 [2021-08-12 19:39:31,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,059 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-08-12 19:39:31,060 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,080 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,081 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 [2021-08-12 19:39:31,082 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,101 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,101 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 [2021-08-12 19:39:31,102 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,122 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-08-12 19:39:31,123 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,141 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-08-12 19:39:31,142 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,161 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,161 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 [2021-08-12 19:39:31,162 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,180 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,180 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 [2021-08-12 19:39:31,181 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,199 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,200 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 [2021-08-12 19:39:31,200 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,218 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-08-12 19:39:31,219 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,237 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,237 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 [2021-08-12 19:39:31,238 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,256 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,256 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 [2021-08-12 19:39:31,257 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,274 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-08-12 19:39:31,275 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,291 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,291 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 [2021-08-12 19:39:31,292 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,309 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-08-12 19:39:31,310 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,327 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:39:31,327 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 [2021-08-12 19:39:31,328 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,730 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-08-12 19:39:31,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:31,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,762 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:31,762 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 51 treesize of output 53 [2021-08-12 19:39:31,765 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,798 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:31,798 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 51 treesize of output 53 [2021-08-12 19:39:31,801 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,833 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:31,833 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 55 treesize of output 53 [2021-08-12 19:39:31,836 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,876 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:31,876 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 55 treesize of output 53 [2021-08-12 19:39:31,879 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,908 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:31,908 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 51 treesize of output 42 [2021-08-12 19:39:31,909 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,943 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:31,943 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 51 treesize of output 53 [2021-08-12 19:39:31,946 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,978 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:31,979 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 55 treesize of output 53 [2021-08-12 19:39:31,981 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:31,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,015 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:32,015 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 51 treesize of output 53 [2021-08-12 19:39:32,018 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,046 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:32,046 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 55 treesize of output 42 [2021-08-12 19:39:32,048 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,085 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:32,085 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 55 treesize of output 53 [2021-08-12 19:39:32,088 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,117 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:32,118 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 51 treesize of output 42 [2021-08-12 19:39:32,119 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,149 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:32,149 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 51 treesize of output 42 [2021-08-12 19:39:32,150 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,181 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:32,181 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 55 treesize of output 42 [2021-08-12 19:39:32,182 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,213 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:32,213 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 55 treesize of output 42 [2021-08-12 19:39:32,214 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,252 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:32,252 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 55 treesize of output 42 [2021-08-12 19:39:32,253 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,276 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:32,276 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 51 treesize of output 42 [2021-08-12 19:39:32,277 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,622 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-08-12 19:39:32,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,651 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:32,652 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 78 [2021-08-12 19:39:32,684 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-08-12 19:39:32,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,715 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-08-12 19:39:32,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 38 [2021-08-12 19:39:32,718 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,752 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:32,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2021-08-12 19:39:32,762 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,798 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:32,798 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 93 treesize of output 93 [2021-08-12 19:39:32,828 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2021-08-12 19:39:32,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,856 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-08-12 19:39:32,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 40 [2021-08-12 19:39:32,858 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,908 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-08-12 19:39:32,909 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 80 treesize of output 72 [2021-08-12 19:39:32,965 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:32,985 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-08-12 19:39:32,986 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 80 treesize of output 1 [2021-08-12 19:39:32,986 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:32,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,013 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-08-12 19:39:33,013 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 78 treesize of output 1 [2021-08-12 19:39:33,014 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,052 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-08-12 19:39:33,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2021-08-12 19:39:33,053 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,074 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-08-12 19:39:33,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 1 [2021-08-12 19:39:33,075 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,098 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-08-12 19:39:33,098 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 93 treesize of output 1 [2021-08-12 19:39:33,099 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,119 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-08-12 19:39:33,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2021-08-12 19:39:33,120 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,151 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-08-12 19:39:33,151 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 93 treesize of output 70 [2021-08-12 19:39:33,156 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,174 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-08-12 19:39:33,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 1 [2021-08-12 19:39:33,175 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,192 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-08-12 19:39:33,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 1 [2021-08-12 19:39:33,193 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,205 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-08-12 19:39:33,205 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 89 treesize of output 1 [2021-08-12 19:39:33,205 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,359 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 41 [2021-08-12 19:39:33,360 INFO L628 ElimStorePlain]: treesize reduction 677, result has 18.5 percent of original size [2021-08-12 19:39:33,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-08-12 19:39:33,365 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 4 variables, input treesize:1409, output treesize:154 [2021-08-12 19:39:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:33,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:33,858 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 [2021-08-12 19:39:33,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:33,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:33,864 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,927 INFO L628 ElimStorePlain]: treesize reduction 40, result has 69.5 percent of original size [2021-08-12 19:39:33,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,931 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 [2021-08-12 19:39:33,932 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,962 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 [2021-08-12 19:39:33,963 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:33,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:33,966 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 [2021-08-12 19:39:33,967 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:33,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:33,981 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:178, output treesize:5 [2021-08-12 19:39:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:33,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157278035] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:33,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:39:33,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-08-12 19:39:33,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122024115] [2021-08-12 19:39:33,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-12 19:39:33,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:39:33,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-12 19:39:33,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2021-08-12 19:39:33,987 INFO L87 Difference]: Start difference. First operand 5090 states and 18178 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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) [2021-08-12 19:39:34,677 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-08-12 19:39:35,888 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-08-12 19:39:36,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:39:36,649 INFO L93 Difference]: Finished difference Result 6747 states and 23452 transitions. [2021-08-12 19:39:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 19:39:36,650 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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 [2021-08-12 19:39:36,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:39:36,666 INFO L225 Difference]: With dead ends: 6747 [2021-08-12 19:39:36,666 INFO L226 Difference]: Without dead ends: 6702 [2021-08-12 19:39:36,667 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1835.7ms TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2021-08-12 19:39:36,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-08-12 19:39:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 5106. [2021-08-12 19:39:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5106 states, 5105 states have (on average 3.570225269343781) internal successors, (18226), 5105 states have internal predecessors, (18226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:39:37,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 18226 transitions. [2021-08-12 19:39:37,044 INFO L78 Accepts]: Start accepts. Automaton has 5106 states and 18226 transitions. Word has length 33 [2021-08-12 19:39:37,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:39:37,045 INFO L482 AbstractCegarLoop]: Abstraction has 5106 states and 18226 transitions. [2021-08-12 19:39:37,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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) [2021-08-12 19:39:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5106 states and 18226 transitions. [2021-08-12 19:39:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:39:37,055 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:39:37,055 INFO L550 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] [2021-08-12 19:39:37,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1165 [2021-08-12 19:39:37,256 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:39:37,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:39:37,256 INFO L82 PathProgramCache]: Analyzing trace with hash 875509148, now seen corresponding path program 19 times [2021-08-12 19:39:37,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:39:37,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347160171] [2021-08-12 19:39:37,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:39:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:39:37,492 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2021-08-12 19:39:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:37,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:39:37,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347160171] [2021-08-12 19:39:37,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347160171] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:37,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116063796] [2021-08-12 19:39:37,852 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 [2021-08-12 19:39:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:39:37,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-12 19:39:37,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:39:37,975 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 [2021-08-12 19:39:37,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:37,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:37,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:37,987 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-08-12 19:39:38,331 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-08-12 19:39:38,753 INFO L446 ElimStorePlain]: Different costs {1=[v_C_32], 3=[A, B]} [2021-08-12 19:39:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,762 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 [2021-08-12 19:39:38,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,772 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 [2021-08-12 19:39:38,773 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,783 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 [2021-08-12 19:39:38,784 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,794 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 [2021-08-12 19:39:38,795 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,805 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 [2021-08-12 19:39:38,806 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,817 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 [2021-08-12 19:39:38,818 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,829 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 [2021-08-12 19:39:38,830 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,840 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 [2021-08-12 19:39:38,841 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,852 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 [2021-08-12 19:39:38,853 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,863 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 30 treesize of output 32 [2021-08-12 19:39:38,864 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,874 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 [2021-08-12 19:39:38,875 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,885 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 [2021-08-12 19:39:38,886 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,897 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 [2021-08-12 19:39:38,898 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,909 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 [2021-08-12 19:39:38,910 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,921 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 [2021-08-12 19:39:38,922 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,933 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 [2021-08-12 19:39:38,934 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,944 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 [2021-08-12 19:39:38,945 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,956 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 [2021-08-12 19:39:38,957 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,967 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 37 treesize of output 35 [2021-08-12 19:39:38,968 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,979 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 37 treesize of output 35 [2021-08-12 19:39:38,980 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:38,991 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 [2021-08-12 19:39:38,992 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,005 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 [2021-08-12 19:39:39,007 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,021 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 [2021-08-12 19:39:39,022 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,032 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 30 treesize of output 32 [2021-08-12 19:39:39,033 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,042 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 [2021-08-12 19:39:39,043 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,052 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 30 treesize of output 32 [2021-08-12 19:39:39,053 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,064 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 [2021-08-12 19:39:39,064 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,074 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 [2021-08-12 19:39:39,075 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,084 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 [2021-08-12 19:39:39,085 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,095 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 [2021-08-12 19:39:39,096 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,105 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 37 treesize of output 35 [2021-08-12 19:39:39,106 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:39,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:39,115 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 [2021-08-12 19:39:39,116 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,162 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-08-12 19:39:40,162 INFO L628 ElimStorePlain]: treesize reduction 660, result has 74.9 percent of original size [2021-08-12 19:39:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 41 [2021-08-12 19:39:40,172 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,181 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,190 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,200 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,208 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 65 treesize of output 41 [2021-08-12 19:39:40,209 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,219 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,227 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 55 treesize of output 39 [2021-08-12 19:39:40,228 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,238 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 50 treesize of output 32 [2021-08-12 19:39:40,239 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,247 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 59 treesize of output 39 [2021-08-12 19:39:40,248 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,257 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 52 treesize of output 32 [2021-08-12 19:39:40,258 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,267 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,277 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,285 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 59 treesize of output 39 [2021-08-12 19:39:40,287 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,296 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,305 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,315 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,323 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 65 treesize of output 41 [2021-08-12 19:39:40,324 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,334 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 32 [2021-08-12 19:39:40,344 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,353 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,361 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 50 treesize of output 32 [2021-08-12 19:39:40,362 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,371 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 52 treesize of output 32 [2021-08-12 19:39:40,372 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,380 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 59 treesize of output 39 [2021-08-12 19:39:40,381 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,386 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 55 treesize of output 39 [2021-08-12 19:39:40,394 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,841 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-08-12 19:39:40,841 INFO L628 ElimStorePlain]: treesize reduction 452, result has 68.2 percent of original size [2021-08-12 19:39:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,850 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,859 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:40,868 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,876 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,884 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,893 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,900 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 63 treesize of output 39 [2021-08-12 19:39:40,902 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,909 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 44 treesize of output 26 [2021-08-12 19:39:40,910 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,917 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 46 treesize of output 26 [2021-08-12 19:39:40,918 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:40,927 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 31 [2021-08-12 19:39:40,935 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,944 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,951 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,959 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,969 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:40,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:40,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:40,975 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:41,060 INFO L628 ElimStorePlain]: treesize reduction 225, result has 25.7 percent of original size [2021-08-12 19:39:41,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:39:41,061 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2625, output treesize:78 [2021-08-12 19:39:41,135 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 [2021-08-12 19:39:41,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:41,138 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 [2021-08-12 19:39:41,140 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:41,149 INFO L628 ElimStorePlain]: treesize reduction 73, result has 6.4 percent of original size [2021-08-12 19:39:41,149 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-08-12 19:39:41,149 INFO L518 ElimStorePlain]: Eliminatee v_prenex_216 vanished before elimination [2021-08-12 19:39:41,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:41,149 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-08-12 19:39:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:41,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116063796] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:41,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:39:41,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-08-12 19:39:41,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961926451] [2021-08-12 19:39:41,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:39:41,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:39:41,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:39:41,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:39:41,155 INFO L87 Difference]: Start difference. First operand 5106 states and 18226 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) [2021-08-12 19:39:41,795 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2021-08-12 19:39:42,006 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-08-12 19:39:43,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:39:43,391 INFO L93 Difference]: Finished difference Result 8948 states and 31032 transitions. [2021-08-12 19:39:43,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 19:39:43,392 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 [2021-08-12 19:39:43,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:39:43,409 INFO L225 Difference]: With dead ends: 8948 [2021-08-12 19:39:43,409 INFO L226 Difference]: Without dead ends: 6582 [2021-08-12 19:39:43,414 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1451.1ms TimeCoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2021-08-12 19:39:43,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-08-12 19:39:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 5104. [2021-08-12 19:39:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5104 states, 5103 states have (on average 3.5673133450911227) internal successors, (18204), 5103 states have internal predecessors, (18204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:39:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5104 states to 5104 states and 18204 transitions. [2021-08-12 19:39:43,741 INFO L78 Accepts]: Start accepts. Automaton has 5104 states and 18204 transitions. Word has length 33 [2021-08-12 19:39:43,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:39:43,741 INFO L482 AbstractCegarLoop]: Abstraction has 5104 states and 18204 transitions. [2021-08-12 19:39:43,741 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) [2021-08-12 19:39:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5104 states and 18204 transitions. [2021-08-12 19:39:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:39:43,749 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:39:43,749 INFO L550 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] [2021-08-12 19:39:43,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1284,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:39:43,957 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:39:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:39:43,957 INFO L82 PathProgramCache]: Analyzing trace with hash 129571106, now seen corresponding path program 20 times [2021-08-12 19:39:43,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:39:43,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220892040] [2021-08-12 19:39:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:39:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:39:44,227 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2021-08-12 19:39:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:44,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:39:44,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220892040] [2021-08-12 19:39:44,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220892040] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:44,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789992687] [2021-08-12 19:39:44,496 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 [2021-08-12 19:39:44,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 19:39:44,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:39:44,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:39:44,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:39:44,627 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 [2021-08-12 19:39:44,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:44,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:44,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:44,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:39:44,718 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 [2021-08-12 19:39:44,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:44,724 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 [2021-08-12 19:39:44,725 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:44,730 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 [2021-08-12 19:39:44,731 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:44,736 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 [2021-08-12 19:39:44,736 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:44,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:44,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:39:44,803 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-08-12 19:39:45,146 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 51 treesize of output 35 [2021-08-12 19:39:45,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:45,576 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-08-12 19:39:45,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:45,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:45,598 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:45,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:45,612 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:46,085 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-08-12 19:39:46,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:46,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:46,102 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:46,818 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 212 [2021-08-12 19:39:46,818 INFO L628 ElimStorePlain]: treesize reduction 158, result has 85.2 percent of original size [2021-08-12 19:39:46,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:46,831 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:46,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:46,841 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:47,377 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 177 [2021-08-12 19:39:47,378 INFO L628 ElimStorePlain]: treesize reduction 106, result has 87.7 percent of original size [2021-08-12 19:39:47,378 INFO L518 ElimStorePlain]: Eliminatee v_prenex_232 vanished before elimination [2021-08-12 19:39:47,378 INFO L518 ElimStorePlain]: Eliminatee v_prenex_233 vanished before elimination [2021-08-12 19:39:47,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:47,386 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:47,636 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-08-12 19:39:47,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:47,644 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 53 treesize of output 35 [2021-08-12 19:39:47,645 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,029 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 136 [2021-08-12 19:39:48,030 INFO L628 ElimStorePlain]: treesize reduction 149, result has 79.1 percent of original size [2021-08-12 19:39:48,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_234 vanished before elimination [2021-08-12 19:39:48,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_224 vanished before elimination [2021-08-12 19:39:48,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_235 vanished before elimination [2021-08-12 19:39:48,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_225 vanished before elimination [2021-08-12 19:39:48,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:48,040 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:48,047 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,208 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-08-12 19:39:48,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:48,214 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 51 treesize of output 35 [2021-08-12 19:39:48,215 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,369 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-08-12 19:39:48,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:48,379 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 31 [2021-08-12 19:39:48,386 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,478 INFO L628 ElimStorePlain]: treesize reduction 330, result has 28.3 percent of original size [2021-08-12 19:39:48,478 INFO L518 ElimStorePlain]: Eliminatee v_prenex_238 vanished before elimination [2021-08-12 19:39:48,481 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 57 treesize of output 37 [2021-08-12 19:39:48,482 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,545 INFO L628 ElimStorePlain]: treesize reduction 33, result has 68.0 percent of original size [2021-08-12 19:39:48,545 INFO L518 ElimStorePlain]: Eliminatee v_prenex_239 vanished before elimination [2021-08-12 19:39:48,545 INFO L518 ElimStorePlain]: Eliminatee v_prenex_228 vanished before elimination [2021-08-12 19:39:48,545 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:39:48,545 INFO L518 ElimStorePlain]: Eliminatee v_prenex_218 vanished before elimination [2021-08-12 19:39:48,545 INFO L518 ElimStorePlain]: Eliminatee v_prenex_229 vanished before elimination [2021-08-12 19:39:48,545 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:39:48,545 INFO L518 ElimStorePlain]: Eliminatee v_prenex_219 vanished before elimination [2021-08-12 19:39:48,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:39:48,546 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 24 variables, input treesize:1137, output treesize:70 [2021-08-12 19:39:48,689 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 [2021-08-12 19:39:48,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,701 INFO L628 ElimStorePlain]: treesize reduction 88, result has 5.4 percent of original size [2021-08-12 19:39:48,701 INFO L518 ElimStorePlain]: Eliminatee v_prenex_240 vanished before elimination [2021-08-12 19:39:48,701 INFO L518 ElimStorePlain]: Eliminatee v_prenex_241 vanished before elimination [2021-08-12 19:39:48,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:48,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-08-12 19:39:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:48,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789992687] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:48,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:39:48,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-12 19:39:48,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545327204] [2021-08-12 19:39:48,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 19:39:48,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:39:48,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 19:39:48,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-08-12 19:39:48,708 INFO L87 Difference]: Start difference. First operand 5104 states and 18204 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) [2021-08-12 19:39:50,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:39:50,050 INFO L93 Difference]: Finished difference Result 6540 states and 22839 transitions. [2021-08-12 19:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 19:39:50,051 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 [2021-08-12 19:39:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:39:50,065 INFO L225 Difference]: With dead ends: 6540 [2021-08-12 19:39:50,065 INFO L226 Difference]: Without dead ends: 6443 [2021-08-12 19:39:50,066 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 739.0ms TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2021-08-12 19:39:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6443 states. [2021-08-12 19:39:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6443 to 5229. [2021-08-12 19:39:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5229 states, 5228 states have (on average 3.563886763580719) internal successors, (18632), 5228 states have internal predecessors, (18632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:39:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 5229 states and 18632 transitions. [2021-08-12 19:39:50,390 INFO L78 Accepts]: Start accepts. Automaton has 5229 states and 18632 transitions. Word has length 33 [2021-08-12 19:39:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:39:50,390 INFO L482 AbstractCegarLoop]: Abstraction has 5229 states and 18632 transitions. [2021-08-12 19:39:50,390 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) [2021-08-12 19:39:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5229 states and 18632 transitions. [2021-08-12 19:39:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:39:50,397 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:39:50,398 INFO L550 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] [2021-08-12 19:39:50,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1377 [2021-08-12 19:39:50,598 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:39:50,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:39:50,598 INFO L82 PathProgramCache]: Analyzing trace with hash 800704726, now seen corresponding path program 21 times [2021-08-12 19:39:50,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:39:50,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556640121] [2021-08-12 19:39:50,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:39:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:39:50,907 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 43 [2021-08-12 19:39:51,059 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-08-12 19:39:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:51,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:39:51,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556640121] [2021-08-12 19:39:51,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556640121] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:51,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147166946] [2021-08-12 19:39:51,165 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 [2021-08-12 19:39:51,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 19:39:51,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:39:51,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-12 19:39:51,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:39:51,302 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 [2021-08-12 19:39:51,303 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:51,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:51,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:51,314 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-08-12 19:39:51,400 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 [2021-08-12 19:39:51,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:51,408 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 [2021-08-12 19:39:51,408 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:51,414 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 [2021-08-12 19:39:51,415 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:51,420 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 24 treesize of output 26 [2021-08-12 19:39:51,421 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:51,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:51,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:39:51,495 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:265, output treesize:261 [2021-08-12 19:39:51,911 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-08-12 19:39:52,367 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 51 treesize of output 35 [2021-08-12 19:39:52,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:52,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:52,379 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:52,389 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 42 treesize of output 28 [2021-08-12 19:39:52,390 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:52,400 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 40 treesize of output 28 [2021-08-12 19:39:52,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:52,411 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 49 treesize of output 35 [2021-08-12 19:39:52,413 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:52,423 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 51 treesize of output 35 [2021-08-12 19:39:52,424 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:52,433 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 42 treesize of output 28 [2021-08-12 19:39:52,434 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:52,442 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 40 treesize of output 28 [2021-08-12 19:39:52,443 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:53,623 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-08-12 19:39:53,623 INFO L628 ElimStorePlain]: treesize reduction 500, result has 76.8 percent of original size [2021-08-12 19:39:53,632 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 37 [2021-08-12 19:39:53,633 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:53,642 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 43 treesize of output 29 [2021-08-12 19:39:53,643 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:53,652 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 45 treesize of output 29 [2021-08-12 19:39:53,653 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:53,660 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 55 treesize of output 37 [2021-08-12 19:39:53,661 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,671 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2021-08-12 19:39:54,671 INFO L628 ElimStorePlain]: treesize reduction 44, result has 97.1 percent of original size [2021-08-12 19:39:54,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:54,682 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,691 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 [2021-08-12 19:39:54,692 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,701 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 51 treesize of output 35 [2021-08-12 19:39:54,702 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,712 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 42 treesize of output 28 [2021-08-12 19:39:54,713 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:54,723 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,734 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 49 treesize of output 35 [2021-08-12 19:39:54,736 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,746 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 40 treesize of output 28 [2021-08-12 19:39:54,748 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:54,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:54,756 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,506 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-08-12 19:39:55,507 INFO L628 ElimStorePlain]: treesize reduction 204, result has 84.9 percent of original size [2021-08-12 19:39:55,515 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 55 treesize of output 37 [2021-08-12 19:39:55,516 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:55,525 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:55,534 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:55,540 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,801 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-08-12 19:39:55,802 INFO L628 ElimStorePlain]: treesize reduction 672, result has 33.1 percent of original size [2021-08-12 19:39:55,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:55,808 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,814 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 40 treesize of output 28 [2021-08-12 19:39:55,815 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,820 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 42 treesize of output 28 [2021-08-12 19:39:55,821 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,824 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 42 treesize of output 28 [2021-08-12 19:39:55,825 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:55,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:55,905 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:55,911 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:55,917 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:39:55,920 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:55,984 INFO L628 ElimStorePlain]: treesize reduction 35, result has 75.0 percent of original size [2021-08-12 19:39:55,984 INFO L518 ElimStorePlain]: Eliminatee v_prenex_246 vanished before elimination [2021-08-12 19:39:55,984 INFO L518 ElimStorePlain]: Eliminatee v_prenex_247 vanished before elimination [2021-08-12 19:39:55,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:39:55,986 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 8 variables, input treesize:2305, output treesize:105 [2021-08-12 19:39:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:56,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:56,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:56,233 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-08-12 19:39:56,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:56,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:56,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:56,239 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:56,330 INFO L628 ElimStorePlain]: treesize reduction 73, result has 61.6 percent of original size [2021-08-12 19:39:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:56,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:56,334 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 [2021-08-12 19:39:56,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:56,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:56,371 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 [2021-08-12 19:39:56,372 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:56,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:39:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:56,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:56,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:39:56,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:39:56,412 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:39:56,415 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 [2021-08-12 19:39:56,415 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:39:56,451 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-08-12 19:39:56,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:39:56,454 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-08-12 19:39:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:39:56,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147166946] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:39:56,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:39:56,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-08-12 19:39:56,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212704697] [2021-08-12 19:39:56,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 19:39:56,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:39:56,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 19:39:56,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-08-12 19:39:56,459 INFO L87 Difference]: Start difference. First operand 5229 states and 18632 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) [2021-08-12 19:39:57,033 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-08-12 19:39:57,384 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-08-12 19:39:57,959 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-08-12 19:39:59,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:39:59,376 INFO L93 Difference]: Finished difference Result 7640 states and 26434 transitions. [2021-08-12 19:39:59,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 19:39:59,376 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 [2021-08-12 19:39:59,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:39:59,393 INFO L225 Difference]: With dead ends: 7640 [2021-08-12 19:39:59,393 INFO L226 Difference]: Without dead ends: 7276 [2021-08-12 19:39:59,394 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2114.2ms TimeCoverageRelationStatistics Valid=131, Invalid=739, Unknown=0, NotChecked=0, Total=870 [2021-08-12 19:39:59,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2021-08-12 19:39:59,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 5372. [2021-08-12 19:39:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5372 states, 5371 states have (on average 3.552038726494135) internal successors, (19078), 5371 states have internal predecessors, (19078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:39:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5372 states to 5372 states and 19078 transitions. [2021-08-12 19:39:59,758 INFO L78 Accepts]: Start accepts. Automaton has 5372 states and 19078 transitions. Word has length 33 [2021-08-12 19:39:59,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:39:59,759 INFO L482 AbstractCegarLoop]: Abstraction has 5372 states and 19078 transitions. [2021-08-12 19:39:59,759 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) [2021-08-12 19:39:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5372 states and 19078 transitions. [2021-08-12 19:39:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:39:59,766 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:39:59,766 INFO L550 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] [2021-08-12 19:39:59,966 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1429 [2021-08-12 19:39:59,967 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:39:59,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:39:59,967 INFO L82 PathProgramCache]: Analyzing trace with hash 834031778, now seen corresponding path program 22 times [2021-08-12 19:39:59,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:39:59,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553000054] [2021-08-12 19:39:59,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:39:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:00,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:40:00,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553000054] [2021-08-12 19:40:00,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553000054] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:00,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075413502] [2021-08-12 19:40:00,433 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:40:00,515 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 19:40:00,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:40:00,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-12 19:40:00,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:40:00,604 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 [2021-08-12 19:40:00,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:00,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:00,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:00,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-08-12 19:40:00,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:00,709 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 [2021-08-12 19:40:00,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:00,717 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 [2021-08-12 19:40:00,718 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:00,726 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 [2021-08-12 19:40:00,727 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:00,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:00,734 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 [2021-08-12 19:40:00,735 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:00,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:00,815 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:40:00,816 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:301, output treesize:297 [2021-08-12 19:40:01,208 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2021-08-12 19:40:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:01,314 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 [2021-08-12 19:40:01,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:01,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:01,323 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 [2021-08-12 19:40:01,324 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:01,723 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-08-12 19:40:01,724 INFO L628 ElimStorePlain]: treesize reduction 135, result has 83.6 percent of original size [2021-08-12 19:40:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:01,732 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 [2021-08-12 19:40:01,734 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:01,740 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 [2021-08-12 19:40:01,742 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:02,058 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-08-12 19:40:02,058 INFO L628 ElimStorePlain]: treesize reduction 65, result has 89.8 percent of original size [2021-08-12 19:40:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:02,064 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 [2021-08-12 19:40:02,065 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:02,217 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-08-12 19:40:02,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:02,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:02,223 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 29 treesize of output 23 [2021-08-12 19:40:02,224 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:02,364 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-08-12 19:40:02,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:02,370 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 [2021-08-12 19:40:02,371 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:02,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:02,376 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 [2021-08-12 19:40:02,377 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:02,506 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-08-12 19:40:02,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:02,513 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 [2021-08-12 19:40:02,514 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:02,519 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 29 treesize of output 23 [2021-08-12 19:40:02,520 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:02,633 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-08-12 19:40:02,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:02,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-08-12 19:40:02,636 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:859, output treesize:423 [2021-08-12 19:40:02,771 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-08-12 19:40:03,479 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 29 treesize of output 17 [2021-08-12 19:40:03,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:03,501 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 25 treesize of output 17 [2021-08-12 19:40:03,503 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:05,733 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 408 DAG size of output: 406 [2021-08-12 19:40:05,734 INFO L628 ElimStorePlain]: treesize reduction 23, result has 98.7 percent of original size [2021-08-12 19:40:05,759 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 25 treesize of output 17 [2021-08-12 19:40:05,761 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:05,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:05,782 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:06,836 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 399 [2021-08-12 19:40:06,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:06,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:06,861 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:06,882 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 25 treesize of output 15 [2021-08-12 19:40:06,883 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:08,013 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 388 DAG size of output: 241 [2021-08-12 19:40:08,013 INFO L628 ElimStorePlain]: treesize reduction 741, result has 55.3 percent of original size [2021-08-12 19:40:08,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:08,029 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:08,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:08,040 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:08,420 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-08-12 19:40:08,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:08,433 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 29 treesize of output 17 [2021-08-12 19:40:08,434 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:08,792 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-08-12 19:40:08,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:08,806 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 29 treesize of output 17 [2021-08-12 19:40:08,807 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:08,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:08,818 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:09,141 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-08-12 19:40:09,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:09,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:09,153 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:09,257 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 5 [2021-08-12 19:40:09,257 INFO L628 ElimStorePlain]: treesize reduction 761, result has 0.7 percent of original size [2021-08-12 19:40:09,257 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-08-12 19:40:09,257 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-08-12 19:40:09,257 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-08-12 19:40:09,257 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_264 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_267 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_289 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_268 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_269 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_290 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_291 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_270 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_292 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_293 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_271 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_294 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_272 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_273 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_296 vanished before elimination [2021-08-12 19:40:09,258 INFO L518 ElimStorePlain]: Eliminatee v_prenex_274 vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_275 vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_276 vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_277 vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_278 vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_279 vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_259 vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:40:09,259 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:40:09,259 INFO L550 ElimStorePlain]: Start of recursive call 1: 40 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:09,259 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 40 variables, input treesize:1801, output treesize:5 [2021-08-12 19:40:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:09,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075413502] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:09,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:40:09,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-12 19:40:09,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680387720] [2021-08-12 19:40:09,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 19:40:09,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:40:09,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 19:40:09,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-08-12 19:40:09,270 INFO L87 Difference]: Start difference. First operand 5372 states and 19078 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) [2021-08-12 19:40:09,584 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-08-12 19:40:10,109 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2021-08-12 19:40:10,490 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2021-08-12 19:40:11,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:40:11,746 INFO L93 Difference]: Finished difference Result 7212 states and 25141 transitions. [2021-08-12 19:40:11,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 19:40:11,746 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 [2021-08-12 19:40:11,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:40:11,771 INFO L225 Difference]: With dead ends: 7212 [2021-08-12 19:40:11,771 INFO L226 Difference]: Without dead ends: 7038 [2021-08-12 19:40:11,775 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1691.8ms TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2021-08-12 19:40:11,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7038 states. [2021-08-12 19:40:12,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7038 to 5382. [2021-08-12 19:40:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5382 states, 5381 states have (on average 3.5567738338598773) internal successors, (19139), 5381 states have internal predecessors, (19139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:40:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5382 states to 5382 states and 19139 transitions. [2021-08-12 19:40:12,184 INFO L78 Accepts]: Start accepts. Automaton has 5382 states and 19139 transitions. Word has length 33 [2021-08-12 19:40:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:40:12,184 INFO L482 AbstractCegarLoop]: Abstraction has 5382 states and 19139 transitions. [2021-08-12 19:40:12,184 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) [2021-08-12 19:40:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5382 states and 19139 transitions. [2021-08-12 19:40:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:40:12,192 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:40:12,192 INFO L550 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] [2021-08-12 19:40:12,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1599 [2021-08-12 19:40:12,393 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:40:12,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:40:12,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1088923614, now seen corresponding path program 23 times [2021-08-12 19:40:12,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:40:12,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182516058] [2021-08-12 19:40:12,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:40:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:12,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:40:12,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182516058] [2021-08-12 19:40:12,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182516058] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:12,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129824747] [2021-08-12 19:40:12,780 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:40:12,820 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 19:40:12,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:40:12,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-12 19:40:12,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:40:12,969 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 [2021-08-12 19:40:12,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:12,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:12,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:12,982 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-08-12 19:40:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:13,024 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 [2021-08-12 19:40:13,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:13,039 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,039 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-08-12 19:40:13,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,294 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 49 treesize of output 35 [2021-08-12 19:40:13,295 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,303 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,311 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,319 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,327 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,335 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,341 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 47 treesize of output 35 [2021-08-12 19:40:13,342 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,349 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 49 treesize of output 35 [2021-08-12 19:40:13,350 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,358 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,367 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,375 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 51 treesize of output 35 [2021-08-12 19:40:13,376 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,385 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,391 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 51 treesize of output 35 [2021-08-12 19:40:13,392 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,400 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 47 treesize of output 35 [2021-08-12 19:40:13,401 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,406 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 51 treesize of output 35 [2021-08-12 19:40:13,408 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,626 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-08-12 19:40:13,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:13,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,634 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,640 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 55 treesize of output 37 [2021-08-12 19:40:13,641 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,648 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,655 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 57 treesize of output 37 [2021-08-12 19:40:13,656 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,663 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 55 treesize of output 37 [2021-08-12 19:40:13,664 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,670 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 53 treesize of output 37 [2021-08-12 19:40:13,672 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,678 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 51 treesize of output 33 [2021-08-12 19:40:13,679 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,685 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 45 treesize of output 29 [2021-08-12 19:40:13,686 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,692 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 43 treesize of output 29 [2021-08-12 19:40:13,694 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,700 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 41 treesize of output 29 [2021-08-12 19:40:13,701 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,707 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 45 treesize of output 29 [2021-08-12 19:40:13,708 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,714 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 57 treesize of output 37 [2021-08-12 19:40:13,715 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,721 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 57 treesize of output 37 [2021-08-12 19:40:13,722 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,729 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:13,736 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,740 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 53 treesize of output 37 [2021-08-12 19:40:13,741 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:13,826 INFO L628 ElimStorePlain]: treesize reduction 325, result has 14.0 percent of original size [2021-08-12 19:40:13,827 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-08-12 19:40:13,827 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 2 variables, input treesize:1169, output treesize:53 [2021-08-12 19:40:14,023 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 [2021-08-12 19:40:14,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:14,031 INFO L628 ElimStorePlain]: treesize reduction 41, result has 10.9 percent of original size [2021-08-12 19:40:14,031 INFO L518 ElimStorePlain]: Eliminatee v_prenex_297 vanished before elimination [2021-08-12 19:40:14,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:14,031 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:5 [2021-08-12 19:40:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:14,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129824747] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:14,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:40:14,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2021-08-12 19:40:14,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257017126] [2021-08-12 19:40:14,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-08-12 19:40:14,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:40:14,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-12 19:40:14,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2021-08-12 19:40:14,038 INFO L87 Difference]: Start difference. First operand 5382 states and 19139 transitions. Second operand has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 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) [2021-08-12 19:40:16,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:40:16,123 INFO L93 Difference]: Finished difference Result 9127 states and 31634 transitions. [2021-08-12 19:40:16,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-12 19:40:16,123 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 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 [2021-08-12 19:40:16,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:40:16,142 INFO L225 Difference]: With dead ends: 9127 [2021-08-12 19:40:16,142 INFO L226 Difference]: Without dead ends: 6972 [2021-08-12 19:40:16,146 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 946.5ms TimeCoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2021-08-12 19:40:16,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6972 states. [2021-08-12 19:40:16,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6972 to 5552. [2021-08-12 19:40:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5551 states have (on average 3.551432174382994) internal successors, (19714), 5551 states have internal predecessors, (19714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:40:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 19714 transitions. [2021-08-12 19:40:16,583 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 19714 transitions. Word has length 33 [2021-08-12 19:40:16,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:40:16,583 INFO L482 AbstractCegarLoop]: Abstraction has 5552 states and 19714 transitions. [2021-08-12 19:40:16,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 21 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) [2021-08-12 19:40:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 19714 transitions. [2021-08-12 19:40:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:40:16,591 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:40:16,591 INFO L550 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] [2021-08-12 19:40:16,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1739,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:40:16,792 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:40:16,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:40:16,792 INFO L82 PathProgramCache]: Analyzing trace with hash -417789994, now seen corresponding path program 24 times [2021-08-12 19:40:16,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:40:16,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666393084] [2021-08-12 19:40:16,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:40:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:17,306 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 53 [2021-08-12 19:40:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:17,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:40:17,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666393084] [2021-08-12 19:40:17,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666393084] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:17,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272323693] [2021-08-12 19:40:17,452 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 [2021-08-12 19:40:17,480 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-12 19:40:17,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:40:17,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:40:17,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:40:17,568 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 [2021-08-12 19:40:17,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:17,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:17,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:17,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:40:17,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:17,613 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 [2021-08-12 19:40:17,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:17,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:17,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:17,625 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-08-12 19:40:18,132 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 42 treesize of output 28 [2021-08-12 19:40:18,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,142 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,149 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 42 treesize of output 28 [2021-08-12 19:40:18,150 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,158 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 40 treesize of output 28 [2021-08-12 19:40:18,159 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,168 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 40 treesize of output 28 [2021-08-12 19:40:18,169 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,178 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,187 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,195 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 51 treesize of output 35 [2021-08-12 19:40:18,196 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,205 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,213 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 51 treesize of output 35 [2021-08-12 19:40:18,214 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,223 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,231 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,239 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 40 treesize of output 28 [2021-08-12 19:40:18,240 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,247 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 40 treesize of output 28 [2021-08-12 19:40:18,248 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,256 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 [2021-08-12 19:40:18,257 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,265 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 42 treesize of output 28 [2021-08-12 19:40:18,266 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,275 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,284 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,293 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,301 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,310 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,320 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,328 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,335 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 49 treesize of output 35 [2021-08-12 19:40:18,336 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,343 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 42 treesize of output 28 [2021-08-12 19:40:18,344 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,351 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 49 treesize of output 35 [2021-08-12 19:40:18,352 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,360 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 49 treesize of output 35 [2021-08-12 19:40:18,361 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,368 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 40 treesize of output 28 [2021-08-12 19:40:18,369 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,376 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 42 treesize of output 28 [2021-08-12 19:40:18,377 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,384 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,391 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 49 treesize of output 35 [2021-08-12 19:40:18,392 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,396 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,859 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-08-12 19:40:18,859 INFO L628 ElimStorePlain]: treesize reduction 800, result has 51.2 percent of original size [2021-08-12 19:40:18,865 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 43 treesize of output 29 [2021-08-12 19:40:18,866 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,871 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 49 treesize of output 33 [2021-08-12 19:40:18,872 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,879 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,885 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,890 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 57 treesize of output 37 [2021-08-12 19:40:18,891 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,898 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:18,905 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,911 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 57 treesize of output 37 [2021-08-12 19:40:18,913 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,920 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 43 treesize of output 29 [2021-08-12 19:40:18,921 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,929 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,935 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,942 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,948 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,955 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:18,961 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:18,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:18,964 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:19,031 INFO L628 ElimStorePlain]: treesize reduction 220, result has 29.7 percent of original size [2021-08-12 19:40:19,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:40:19,032 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2209, output treesize:93 [2021-08-12 19:40:19,114 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 [2021-08-12 19:40:19,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:19,129 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-08-12 19:40:19,130 INFO L518 ElimStorePlain]: Eliminatee v_prenex_298 vanished before elimination [2021-08-12 19:40:19,130 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-08-12 19:40:19,130 INFO L518 ElimStorePlain]: Eliminatee v_prenex_300 vanished before elimination [2021-08-12 19:40:19,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:19,130 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-08-12 19:40:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:19,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272323693] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:19,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:40:19,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-08-12 19:40:19,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314978018] [2021-08-12 19:40:19,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 19:40:19,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:40:19,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 19:40:19,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2021-08-12 19:40:19,137 INFO L87 Difference]: Start difference. First operand 5552 states and 19714 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) [2021-08-12 19:40:22,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:40:22,506 INFO L93 Difference]: Finished difference Result 9849 states and 33550 transitions. [2021-08-12 19:40:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-12 19:40:22,507 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 [2021-08-12 19:40:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:40:22,532 INFO L225 Difference]: With dead ends: 9849 [2021-08-12 19:40:22,533 INFO L226 Difference]: Without dead ends: 9453 [2021-08-12 19:40:22,535 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1501.9ms TimeCoverageRelationStatistics Valid=225, Invalid=897, Unknown=0, NotChecked=0, Total=1122 [2021-08-12 19:40:22,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9453 states. [2021-08-12 19:40:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9453 to 6014. [2021-08-12 19:40:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6014 states, 6013 states have (on average 3.551804423748545) internal successors, (21357), 6013 states have internal predecessors, (21357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:40:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6014 states to 6014 states and 21357 transitions. [2021-08-12 19:40:23,092 INFO L78 Accepts]: Start accepts. Automaton has 6014 states and 21357 transitions. Word has length 33 [2021-08-12 19:40:23,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:40:23,092 INFO L482 AbstractCegarLoop]: Abstraction has 6014 states and 21357 transitions. [2021-08-12 19:40:23,092 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) [2021-08-12 19:40:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6014 states and 21357 transitions. [2021-08-12 19:40:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:40:23,103 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:40:23,103 INFO L550 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] [2021-08-12 19:40:23,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1788 [2021-08-12 19:40:23,303 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:40:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:40:23,304 INFO L82 PathProgramCache]: Analyzing trace with hash -384462942, now seen corresponding path program 25 times [2021-08-12 19:40:23,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:40:23,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885979567] [2021-08-12 19:40:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:40:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:23,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:40:23,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885979567] [2021-08-12 19:40:23,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885979567] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:23,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868056904] [2021-08-12 19:40:23,770 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 [2021-08-12 19:40:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:23,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:40:23,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:40:23,894 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 [2021-08-12 19:40:23,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:23,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:23,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:23,906 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:40:23,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:23,934 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 [2021-08-12 19:40:23,934 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:23,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:23,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:23,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-08-12 19:40:24,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,134 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 [2021-08-12 19:40:24,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,139 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 [2021-08-12 19:40:24,140 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,145 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 [2021-08-12 19:40:24,146 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,150 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 [2021-08-12 19:40:24,151 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-08-12 19:40:24,156 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,161 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 [2021-08-12 19:40:24,162 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,168 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 [2021-08-12 19:40:24,169 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,173 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 [2021-08-12 19:40:24,174 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,179 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 [2021-08-12 19:40:24,180 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,185 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 [2021-08-12 19:40:24,186 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,190 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 [2021-08-12 19:40:24,192 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:24,195 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 [2021-08-12 19:40:24,196 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,465 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-08-12 19:40:24,465 INFO L628 ElimStorePlain]: treesize reduction 226, result has 66.2 percent of original size [2021-08-12 19:40:24,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-08-12 19:40:24,467 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:909, output treesize:443 [2021-08-12 19:40:24,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:24,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:24,995 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 29 treesize of output 17 [2021-08-12 19:40:24,996 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:25,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:25,015 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:25,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:25,027 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:26,960 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2021-08-12 19:40:26,961 INFO L628 ElimStorePlain]: treesize reduction 52, result has 97.0 percent of original size [2021-08-12 19:40:26,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:26,982 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:26,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:26,997 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:27,011 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 29 treesize of output 17 [2021-08-12 19:40:27,012 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:27,022 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 27 treesize of output 17 [2021-08-12 19:40:27,023 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:27,867 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-08-12 19:40:27,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:27,882 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 27 treesize of output 15 [2021-08-12 19:40:27,883 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:27,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:27,893 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:28,860 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 166 [2021-08-12 19:40:28,861 INFO L628 ElimStorePlain]: treesize reduction 617, result has 59.7 percent of original size [2021-08-12 19:40:28,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:28,873 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:28,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:28,884 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:28,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:28,896 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:28,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:28,904 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:29,212 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-08-12 19:40:29,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:29,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:29,223 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:29,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:29,231 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:29,345 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 5 [2021-08-12 19:40:29,346 INFO L628 ElimStorePlain]: treesize reduction 729, result has 0.7 percent of original size [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_313 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_314 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_303 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_315 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_304 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_316 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_305 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_317 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_306 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_307 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:40:29,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_308 vanished before elimination [2021-08-12 19:40:29,347 INFO L518 ElimStorePlain]: Eliminatee v_prenex_309 vanished before elimination [2021-08-12 19:40:29,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:29,347 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-08-12 19:40:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:29,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868056904] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:29,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:40:29,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-08-12 19:40:29,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514432143] [2021-08-12 19:40:29,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 19:40:29,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:40:29,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 19:40:29,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2021-08-12 19:40:29,357 INFO L87 Difference]: Start difference. First operand 6014 states and 21357 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) [2021-08-12 19:40:29,503 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-08-12 19:40:31,370 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-08-12 19:40:31,848 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-08-12 19:40:32,179 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-08-12 19:40:32,728 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-08-12 19:40:33,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:40:33,764 INFO L93 Difference]: Finished difference Result 9991 states and 34753 transitions. [2021-08-12 19:40:33,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-12 19:40:33,765 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 [2021-08-12 19:40:33,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:40:33,792 INFO L225 Difference]: With dead ends: 9991 [2021-08-12 19:40:33,792 INFO L226 Difference]: Without dead ends: 9769 [2021-08-12 19:40:33,796 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 2421.4ms TimeCoverageRelationStatistics Valid=316, Invalid=1166, Unknown=0, NotChecked=0, Total=1482 [2021-08-12 19:40:33,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9769 states. [2021-08-12 19:40:34,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9769 to 6033. [2021-08-12 19:40:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6033 states, 6032 states have (on average 3.5512267904509285) internal successors, (21421), 6032 states have internal predecessors, (21421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:40:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6033 states to 6033 states and 21421 transitions. [2021-08-12 19:40:34,350 INFO L78 Accepts]: Start accepts. Automaton has 6033 states and 21421 transitions. Word has length 33 [2021-08-12 19:40:34,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:40:34,351 INFO L482 AbstractCegarLoop]: Abstraction has 6033 states and 21421 transitions. [2021-08-12 19:40:34,351 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) [2021-08-12 19:40:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 6033 states and 21421 transitions. [2021-08-12 19:40:34,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:40:34,359 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:40:34,359 INFO L550 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] [2021-08-12 19:40:34,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1883,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:40:34,560 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:40:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:40:34,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1642775078, now seen corresponding path program 26 times [2021-08-12 19:40:34,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:40:34,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234228650] [2021-08-12 19:40:34,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:40:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:34,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:40:34,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234228650] [2021-08-12 19:40:34,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234228650] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:34,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519042286] [2021-08-12 19:40:34,982 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 [2021-08-12 19:40:35,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 19:40:35,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:40:35,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:40:35,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:40:35,102 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 [2021-08-12 19:40:35,103 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:35,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,114 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:40:35,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,147 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 [2021-08-12 19:40:35,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:35,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,159 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-08-12 19:40:35,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,674 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 50 treesize of output 32 [2021-08-12 19:40:35,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,684 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 57 treesize of output 39 [2021-08-12 19:40:35,685 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,693 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 61 treesize of output 39 [2021-08-12 19:40:35,694 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,704 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,714 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,723 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,731 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 50 treesize of output 32 [2021-08-12 19:40:35,732 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,742 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 59 treesize of output 39 [2021-08-12 19:40:35,743 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,753 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 50 treesize of output 32 [2021-08-12 19:40:35,754 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,764 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 50 treesize of output 32 [2021-08-12 19:40:35,765 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,774 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 57 treesize of output 39 [2021-08-12 19:40:35,776 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,787 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,796 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 59 treesize of output 39 [2021-08-12 19:40:35,797 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,806 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 50 treesize of output 32 [2021-08-12 19:40:35,807 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,822 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 59 treesize of output 39 [2021-08-12 19:40:35,823 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,833 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,843 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,852 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 48 treesize of output 32 [2021-08-12 19:40:35,853 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,862 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,871 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,879 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 61 treesize of output 39 [2021-08-12 19:40:35,881 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,889 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 48 treesize of output 32 [2021-08-12 19:40:35,890 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,898 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 59 treesize of output 39 [2021-08-12 19:40:35,900 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,908 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 59 treesize of output 39 [2021-08-12 19:40:35,909 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:35,920 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,930 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,940 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,950 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,960 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,970 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,979 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:35,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:35,986 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,465 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-08-12 19:40:36,466 INFO L628 ElimStorePlain]: treesize reduction 952, result has 50.6 percent of original size [2021-08-12 19:40:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,474 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 61 treesize of output 39 [2021-08-12 19:40:36,476 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,483 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 59 treesize of output 37 [2021-08-12 19:40:36,485 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,493 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,501 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,510 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,520 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,528 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 44 treesize of output 26 [2021-08-12 19:40:36,529 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,536 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 46 treesize of output 26 [2021-08-12 19:40:36,537 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,546 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,554 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,563 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,572 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,580 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:36,588 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,595 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 61 treesize of output 37 [2021-08-12 19:40:36,596 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:36,600 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 49 treesize of output 31 [2021-08-12 19:40:36,601 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,687 INFO L628 ElimStorePlain]: treesize reduction 225, result has 25.7 percent of original size [2021-08-12 19:40:36,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:40:36,688 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2625, output treesize:78 [2021-08-12 19:40:36,808 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 [2021-08-12 19:40:36,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,812 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 [2021-08-12 19:40:36,813 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,822 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-08-12 19:40:36,823 INFO L518 ElimStorePlain]: Eliminatee v_prenex_319 vanished before elimination [2021-08-12 19:40:36,823 INFO L518 ElimStorePlain]: Eliminatee v_prenex_320 vanished before elimination [2021-08-12 19:40:36,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:36,823 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-08-12 19:40:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:36,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519042286] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:36,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:40:36,828 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-08-12 19:40:36,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130570099] [2021-08-12 19:40:36,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 19:40:36,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:40:36,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 19:40:36,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-08-12 19:40:36,829 INFO L87 Difference]: Start difference. First operand 6033 states and 21421 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) [2021-08-12 19:40:39,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:40:39,880 INFO L93 Difference]: Finished difference Result 9699 states and 33705 transitions. [2021-08-12 19:40:39,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 19:40:39,880 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 [2021-08-12 19:40:39,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:40:39,905 INFO L225 Difference]: With dead ends: 9699 [2021-08-12 19:40:39,905 INFO L226 Difference]: Without dead ends: 9554 [2021-08-12 19:40:39,908 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 919.5ms TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-08-12 19:40:39,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9554 states. [2021-08-12 19:40:40,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9554 to 6115. [2021-08-12 19:40:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6115 states, 6114 states have (on average 3.5490677134445536) internal successors, (21699), 6114 states have internal predecessors, (21699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:40:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6115 states to 6115 states and 21699 transitions. [2021-08-12 19:40:40,509 INFO L78 Accepts]: Start accepts. Automaton has 6115 states and 21699 transitions. Word has length 33 [2021-08-12 19:40:40,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:40:40,509 INFO L482 AbstractCegarLoop]: Abstraction has 6115 states and 21699 transitions. [2021-08-12 19:40:40,509 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) [2021-08-12 19:40:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6115 states and 21699 transitions. [2021-08-12 19:40:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:40:40,518 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:40:40,518 INFO L550 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] [2021-08-12 19:40:40,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2008 [2021-08-12 19:40:40,734 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:40:40,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:40:40,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1609448026, now seen corresponding path program 27 times [2021-08-12 19:40:40,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:40:40,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901360430] [2021-08-12 19:40:40,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:40:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:41,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:40:41,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901360430] [2021-08-12 19:40:41,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901360430] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:41,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289873294] [2021-08-12 19:40:41,413 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 [2021-08-12 19:40:41,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 19:40:41,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:40:41,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-12 19:40:41,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:40:41,551 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 [2021-08-12 19:40:41,552 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:41,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:41,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:41,563 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:40:41,608 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:40:41,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-08-12 19:40:41,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:41,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:41,627 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. [2021-08-12 19:40:41,627 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:58 [2021-08-12 19:40:42,277 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-08-12 19:40:42,615 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-08-12 19:40:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:42,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:42,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:42,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-08-12 19:40:42,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:42,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:42,769 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 [2021-08-12 19:40:42,770 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:43,315 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2021-08-12 19:40:43,316 INFO L628 ElimStorePlain]: treesize reduction 70, result has 92.4 percent of original size [2021-08-12 19:40:43,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:43,325 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 [2021-08-12 19:40:43,326 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:43,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:43,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:43,333 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 [2021-08-12 19:40:43,334 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:43,640 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-08-12 19:40:43,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:43,650 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 29 treesize of output 23 [2021-08-12 19:40:43,651 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:43,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:43,658 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 [2021-08-12 19:40:43,659 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:43,886 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-08-12 19:40:43,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:43,894 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 [2021-08-12 19:40:43,895 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:43,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:43,902 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 [2021-08-12 19:40:43,903 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:44,116 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-08-12 19:40:44,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:44,124 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 [2021-08-12 19:40:44,125 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:44,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:44,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:44,132 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:44,329 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-08-12 19:40:44,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:44,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:44,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:40:44,337 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 [2021-08-12 19:40:44,338 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:44,344 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 [2021-08-12 19:40:44,345 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:44,524 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-08-12 19:40:44,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:44,533 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. [2021-08-12 19:40:44,533 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:955, output treesize:553 [2021-08-12 19:40:44,916 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 79 [2021-08-12 19:40:45,787 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_380, v_prenex_381, v_prenex_360, v_prenex_341, v_prenex_364, v_prenex_342, v_prenex_365, v_prenex_343, v_prenex_420, v_prenex_344, v_prenex_421, v_prenex_400, v_prenex_422, v_prenex_345, v_prenex_401, v_prenex_346, v_prenex_369, v_prenex_402, v_prenex_347, v_prenex_348, v_prenex_338, v_prenex_417, v_prenex_418, v_prenex_419, v_prenex_370, v_prenex_371, v_prenex_350, v_prenex_394, v_prenex_372, v_prenex_351, v_prenex_395, v_prenex_352, v_prenex_353, v_prenex_354, v_prenex_399, v_prenex_355, v_prenex_333, v_prenex_356, v_prenex_334, v_prenex_335, v_prenex_336, v_prenex_359, v_prenex_337, v_prenex_349, A, B, v_prenex_406, v_prenex_407], 3=[v_prenex_382, v_prenex_361, v_prenex_362, v_prenex_384, v_prenex_340, v_prenex_385, v_prenex_386, v_prenex_366, v_prenex_388, v_prenex_367, v_prenex_389, v_prenex_403, v_prenex_416, v_prenex_339, v_prenex_391, v_prenex_392, v_prenex_373, v_prenex_396, v_prenex_374, v_prenex_397, v_prenex_376, v_prenex_377, v_prenex_411, v_prenex_378, v_prenex_357, v_prenex_379, v_prenex_358, v_prenex_413, v_prenex_414, v_prenex_404, v_prenex_408, v_prenex_409]} [2021-08-12 19:40:45,824 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 29 treesize of output 17 [2021-08-12 19:40:45,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:46,835 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 760 [2021-08-12 19:40:46,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:46,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:46,868 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:46,996 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 5 [2021-08-12 19:40:46,996 INFO L628 ElimStorePlain]: treesize reduction 1851, result has 0.3 percent of original size [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_360 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_341 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_364 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_342 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_365 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_343 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_420 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_344 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_421 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_422 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_345 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_401 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_346 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_369 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_402 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_347 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_348 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_338 vanished before elimination [2021-08-12 19:40:46,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_417 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_418 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_419 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_370 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_371 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_350 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_394 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_372 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_351 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_395 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_352 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_353 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_354 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_399 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_355 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_333 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_356 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_334 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_335 vanished before elimination [2021-08-12 19:40:46,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_336 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_359 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_337 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_349 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_406 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_407 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_382 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_361 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_362 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_384 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_340 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_385 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_386 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_366 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_388 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_367 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_389 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_403 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_416 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_339 vanished before elimination [2021-08-12 19:40:46,999 INFO L518 ElimStorePlain]: Eliminatee v_prenex_391 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_392 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_373 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_396 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_374 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_397 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_376 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_377 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_411 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_378 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_357 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_379 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_358 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_413 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_414 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_404 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_408 vanished before elimination [2021-08-12 19:40:47,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_409 vanished before elimination [2021-08-12 19:40:47,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:47,001 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 96 variables, input treesize:1897, output treesize:5 [2021-08-12 19:40:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:47,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289873294] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:47,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:40:47,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-08-12 19:40:47,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48060720] [2021-08-12 19:40:47,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-08-12 19:40:47,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:40:47,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-12 19:40:47,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2021-08-12 19:40:47,010 INFO L87 Difference]: Start difference. First operand 6115 states and 21699 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) [2021-08-12 19:40:47,451 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-08-12 19:40:48,027 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-08-12 19:40:48,714 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-08-12 19:40:49,085 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-08-12 19:40:49,328 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2021-08-12 19:40:50,265 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-08-12 19:40:51,385 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-08-12 19:40:51,954 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-08-12 19:40:52,167 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-08-12 19:40:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:40:53,712 INFO L93 Difference]: Finished difference Result 8718 states and 30171 transitions. [2021-08-12 19:40:53,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-12 19:40:53,721 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 [2021-08-12 19:40:53,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:40:53,746 INFO L225 Difference]: With dead ends: 8718 [2021-08-12 19:40:53,747 INFO L226 Difference]: Without dead ends: 8651 [2021-08-12 19:40:53,749 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 5421.1ms TimeCoverageRelationStatistics Valid=720, Invalid=3570, Unknown=0, NotChecked=0, Total=4290 [2021-08-12 19:40:53,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8651 states. [2021-08-12 19:40:54,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8651 to 6199. [2021-08-12 19:40:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6199 states, 6198 states have (on average 3.540658276863504) internal successors, (21945), 6198 states have internal predecessors, (21945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:40:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6199 states to 6199 states and 21945 transitions. [2021-08-12 19:40:54,301 INFO L78 Accepts]: Start accepts. Automaton has 6199 states and 21945 transitions. Word has length 33 [2021-08-12 19:40:54,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:40:54,301 INFO L482 AbstractCegarLoop]: Abstraction has 6199 states and 21945 transitions. [2021-08-12 19:40:54,301 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) [2021-08-12 19:40:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 6199 states and 21945 transitions. [2021-08-12 19:40:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:40:54,310 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:40:54,310 INFO L550 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] [2021-08-12 19:40:54,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2127 [2021-08-12 19:40:54,511 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:40:54,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:40:54,511 INFO L82 PathProgramCache]: Analyzing trace with hash -479215684, now seen corresponding path program 28 times [2021-08-12 19:40:54,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:40:54,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075607770] [2021-08-12 19:40:54,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:40:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:40:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:40:55,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:40:55,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075607770] [2021-08-12 19:40:55,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075607770] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:40:55,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627466347] [2021-08-12 19:40:55,093 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 [2021-08-12 19:40:55,122 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 19:40:55,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:40:55,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:40:55,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:40:55,219 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 [2021-08-12 19:40:55,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:55,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,231 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:40:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,264 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 [2021-08-12 19:40:55,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:55,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,277 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-08-12 19:40:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,442 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 [2021-08-12 19:40:55,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,454 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 [2021-08-12 19:40:55,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,460 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 [2021-08-12 19:40:55,461 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,465 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 [2021-08-12 19:40:55,466 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,471 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 [2021-08-12 19:40:55,472 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,476 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 40 treesize of output 32 [2021-08-12 19:40:55,477 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,482 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 [2021-08-12 19:40:55,483 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,487 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 [2021-08-12 19:40:55,488 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,493 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 45 treesize of output 29 [2021-08-12 19:40:55,493 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,498 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 [2021-08-12 19:40:55,499 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,504 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 [2021-08-12 19:40:55,505 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:40:55,508 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 [2021-08-12 19:40:55,509 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:55,723 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-08-12 19:40:55,723 INFO L628 ElimStorePlain]: treesize reduction 226, result has 66.2 percent of original size [2021-08-12 19:40:55,725 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-08-12 19:40:55,725 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:909, output treesize:443 [2021-08-12 19:40:56,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:56,254 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:56,269 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 29 treesize of output 17 [2021-08-12 19:40:56,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:56,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:56,285 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:56,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:56,296 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:57,205 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-08-12 19:40:57,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:57,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:40:57,221 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:57,236 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 27 treesize of output 17 [2021-08-12 19:40:57,237 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:57,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:57,255 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:57,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:57,269 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:58,146 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-08-12 19:40:58,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:40:58,160 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 27 treesize of output 17 [2021-08-12 19:40:58,161 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:58,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:58,174 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:58,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:58,188 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:58,198 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 [2021-08-12 19:40:58,199 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:59,696 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2021-08-12 19:40:59,697 INFO L628 ElimStorePlain]: treesize reduction 52, result has 96.5 percent of original size [2021-08-12 19:40:59,710 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 27 treesize of output 15 [2021-08-12 19:40:59,711 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:40:59,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:40:59,721 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:00,033 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 5 [2021-08-12 19:41:00,033 INFO L628 ElimStorePlain]: treesize reduction 1398, result has 0.4 percent of original size [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_433 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_423 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_434 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_435 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_424 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_436 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_425 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_437 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_426 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_438 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_427 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_439 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_428 vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:41:00,034 INFO L518 ElimStorePlain]: Eliminatee v_prenex_429 vanished before elimination [2021-08-12 19:41:00,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:00,035 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-08-12 19:41:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:00,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627466347] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:00,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:41:00,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-08-12 19:41:00,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693616442] [2021-08-12 19:41:00,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-12 19:41:00,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:41:00,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-12 19:41:00,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-08-12 19:41:00,045 INFO L87 Difference]: Start difference. First operand 6199 states and 21945 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) [2021-08-12 19:41:00,196 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-08-12 19:41:01,088 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-08-12 19:41:01,839 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-08-12 19:41:02,119 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-08-12 19:41:02,258 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-08-12 19:41:02,843 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-08-12 19:41:04,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:41:04,507 INFO L93 Difference]: Finished difference Result 10388 states and 36294 transitions. [2021-08-12 19:41:04,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 19:41:04,507 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 [2021-08-12 19:41:04,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:41:04,534 INFO L225 Difference]: With dead ends: 10388 [2021-08-12 19:41:04,534 INFO L226 Difference]: Without dead ends: 10179 [2021-08-12 19:41:04,537 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 2306.9ms TimeCoverageRelationStatistics Valid=344, Invalid=1378, Unknown=0, NotChecked=0, Total=1722 [2021-08-12 19:41:04,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10179 states. [2021-08-12 19:41:05,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10179 to 6457. [2021-08-12 19:41:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6457 states, 6456 states have (on average 3.542905824039653) internal successors, (22873), 6456 states have internal predecessors, (22873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:41:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6457 states to 6457 states and 22873 transitions. [2021-08-12 19:41:05,170 INFO L78 Accepts]: Start accepts. Automaton has 6457 states and 22873 transitions. Word has length 33 [2021-08-12 19:41:05,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:41:05,170 INFO L482 AbstractCegarLoop]: Abstraction has 6457 states and 22873 transitions. [2021-08-12 19:41:05,170 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) [2021-08-12 19:41:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6457 states and 22873 transitions. [2021-08-12 19:41:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:41:05,180 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:41:05,180 INFO L550 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] [2021-08-12 19:41:05,407 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2181 [2021-08-12 19:41:05,409 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:41:05,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:41:05,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1766130978, now seen corresponding path program 29 times [2021-08-12 19:41:05,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:41:05,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801090492] [2021-08-12 19:41:05,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:41:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:41:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:05,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:41:05,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801090492] [2021-08-12 19:41:05,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801090492] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:05,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557504308] [2021-08-12 19:41:05,902 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 [2021-08-12 19:41:05,934 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-12 19:41:05,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:41:05,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:41:05,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:41:06,024 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 [2021-08-12 19:41:06,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:06,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:06,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:06,036 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-08-12 19:41:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:06,072 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 [2021-08-12 19:41:06,073 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:06,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:06,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:06,086 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-08-12 19:41:06,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:06,194 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 43 treesize of output 29 [2021-08-12 19:41:06,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:06,198 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 [2021-08-12 19:41:06,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:06,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:06,202 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 [2021-08-12 19:41:06,203 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:06,241 INFO L628 ElimStorePlain]: treesize reduction 38, result has 66.1 percent of original size [2021-08-12 19:41:06,242 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:41:06,242 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:170, output treesize:74 [2021-08-12 19:41:07,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:07,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:07,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:07,242 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:07,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:07,254 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:07,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:07,267 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:07,278 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 27 treesize of output 17 [2021-08-12 19:41:07,279 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:07,290 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 [2021-08-12 19:41:07,291 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:07,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:07,303 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:07,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:07,312 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,139 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-08-12 19:41:08,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:08,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:08,152 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:08,163 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:08,175 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:08,187 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,198 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 [2021-08-12 19:41:08,199 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:08,211 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:08,223 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:08,231 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 27 treesize of output 17 [2021-08-12 19:41:08,232 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,618 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2021-08-12 19:41:09,619 INFO L628 ElimStorePlain]: treesize reduction 104, result has 94.0 percent of original size [2021-08-12 19:41:09,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:09,631 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,642 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 29 treesize of output 17 [2021-08-12 19:41:09,643 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,655 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 29 treesize of output 17 [2021-08-12 19:41:09,657 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,668 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 29 treesize of output 17 [2021-08-12 19:41:09,669 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,680 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 29 treesize of output 17 [2021-08-12 19:41:09,681 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:09,695 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:41:09,707 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:09,717 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 29 treesize of output 17 [2021-08-12 19:41:09,718 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:10,289 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-08-12 19:41:10,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:10,298 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 25 treesize of output 15 [2021-08-12 19:41:10,299 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:10,308 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 27 treesize of output 15 [2021-08-12 19:41:10,309 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:10,317 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 25 treesize of output 15 [2021-08-12 19:41:10,318 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:10,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:10,325 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:10,494 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 5 [2021-08-12 19:41:10,495 INFO L628 ElimStorePlain]: treesize reduction 1272, result has 0.4 percent of original size [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_450 vanished before elimination [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_441 vanished before elimination [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_442 vanished before elimination [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_443 vanished before elimination [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_444 vanished before elimination [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_445 vanished before elimination [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_446 vanished before elimination [2021-08-12 19:41:10,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_447 vanished before elimination [2021-08-12 19:41:10,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:10,495 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 12 variables, input treesize:2209, output treesize:5 [2021-08-12 19:41:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:10,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557504308] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:10,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:41:10,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-08-12 19:41:10,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335363379] [2021-08-12 19:41:10,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-12 19:41:10,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:41:10,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-12 19:41:10,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2021-08-12 19:41:10,505 INFO L87 Difference]: Start difference. First operand 6457 states and 22873 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) [2021-08-12 19:41:11,512 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-08-12 19:41:11,837 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-08-12 19:41:12,508 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2021-08-12 19:41:12,913 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-08-12 19:41:13,050 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-08-12 19:41:13,368 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-08-12 19:41:13,561 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-08-12 19:41:13,960 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-08-12 19:41:14,572 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-08-12 19:41:14,748 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-08-12 19:41:15,323 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-08-12 19:41:15,747 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-08-12 19:41:16,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:41:16,917 INFO L93 Difference]: Finished difference Result 10202 states and 35379 transitions. [2021-08-12 19:41:16,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-12 19:41:16,917 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 [2021-08-12 19:41:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:41:16,942 INFO L225 Difference]: With dead ends: 10202 [2021-08-12 19:41:16,942 INFO L226 Difference]: Without dead ends: 9983 [2021-08-12 19:41:16,945 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 3831.6ms TimeCoverageRelationStatistics Valid=620, Invalid=2572, Unknown=0, NotChecked=0, Total=3192 [2021-08-12 19:41:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9983 states. [2021-08-12 19:41:17,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9983 to 6568. [2021-08-12 19:41:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6568 states, 6567 states have (on average 3.540886249428963) internal successors, (23253), 6567 states have internal predecessors, (23253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:41:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 23253 transitions. [2021-08-12 19:41:17,593 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 23253 transitions. Word has length 33 [2021-08-12 19:41:17,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:41:17,593 INFO L482 AbstractCegarLoop]: Abstraction has 6568 states and 23253 transitions. [2021-08-12 19:41:17,593 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) [2021-08-12 19:41:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 23253 transitions. [2021-08-12 19:41:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:41:17,603 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:41:17,603 INFO L550 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] [2021-08-12 19:41:17,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2306,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:41:17,804 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:41:17,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:41:17,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1785238692, now seen corresponding path program 30 times [2021-08-12 19:41:17,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:41:17,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141592621] [2021-08-12 19:41:17,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:41:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:41:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:18,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:41:18,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141592621] [2021-08-12 19:41:18,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141592621] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:18,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115937073] [2021-08-12 19:41:18,202 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 [2021-08-12 19:41:18,230 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 19:41:18,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:41:18,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-12 19:41:18,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:41:18,319 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 [2021-08-12 19:41:18,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:18,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:18,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:18,331 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:41:19,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,164 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,171 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 52 treesize of output 36 [2021-08-12 19:41:19,173 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,182 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,191 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,201 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,211 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 52 treesize of output 36 [2021-08-12 19:41:19,213 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,224 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,236 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,245 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 41 treesize of output 29 [2021-08-12 19:41:19,247 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,257 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 52 treesize of output 36 [2021-08-12 19:41:19,259 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,272 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 [2021-08-12 19:41:19,274 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,287 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,303 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,317 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,329 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 [2021-08-12 19:41:19,331 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,350 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,371 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,391 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,424 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,443 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 50 treesize of output 36 [2021-08-12 19:41:19,445 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,461 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 43 treesize of output 29 [2021-08-12 19:41:19,463 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,489 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 [2021-08-12 19:41:19,491 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:41:19,516 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,550 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,566 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 43 treesize of output 29 [2021-08-12 19:41:19,568 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,593 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,613 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,642 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 50 treesize of output 36 [2021-08-12 19:41:19,644 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,665 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,688 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:19,711 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:19,725 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 50 treesize of output 36 [2021-08-12 19:41:19,727 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,645 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 268 [2021-08-12 19:41:21,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:21,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:21,681 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,718 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 39 treesize of output 25 [2021-08-12 19:41:21,720 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,763 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 39 treesize of output 25 [2021-08-12 19:41:21,765 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:21,804 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,844 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 50 treesize of output 34 [2021-08-12 19:41:21,846 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:21,883 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:21,924 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:21,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:21,958 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,006 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,044 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 37 treesize of output 25 [2021-08-12 19:41:22,045 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,080 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,117 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 50 treesize of output 34 [2021-08-12 19:41:22,119 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,155 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,189 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,217 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 37 treesize of output 25 [2021-08-12 19:41:22,219 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,253 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,290 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,329 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,361 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,396 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,425 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 52 treesize of output 34 [2021-08-12 19:41:22,428 INFO L550 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,461 INFO L550 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,495 INFO L550 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,528 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 37 treesize of output 25 [2021-08-12 19:41:22,530 INFO L550 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,566 INFO L550 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,601 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 39 treesize of output 25 [2021-08-12 19:41:22,603 INFO L550 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,637 INFO L550 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,673 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 39 treesize of output 25 [2021-08-12 19:41:22,675 INFO L550 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,713 INFO L550 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,745 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 44 treesize of output 30 [2021-08-12 19:41:22,747 INFO L550 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,779 INFO L550 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:22,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:22,806 INFO L550 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-08-12 19:41:26,504 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 328 DAG size of output: 326 [2021-08-12 19:41:26,504 INFO L628 ElimStorePlain]: treesize reduction 15, result has 98.6 percent of original size [2021-08-12 19:41:26,537 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 18 treesize of output 20 [2021-08-12 19:41:26,538 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,566 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 23 treesize of output 23 [2021-08-12 19:41:26,567 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,595 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 [2021-08-12 19:41:26,596 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,625 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 [2021-08-12 19:41:26,626 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,661 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 [2021-08-12 19:41:26,662 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,694 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 21 treesize of output 21 [2021-08-12 19:41:26,695 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,726 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 [2021-08-12 19:41:26,728 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,757 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 21 treesize of output 21 [2021-08-12 19:41:26,758 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,787 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 23 treesize of output 23 [2021-08-12 19:41:26,788 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,817 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 23 treesize of output 23 [2021-08-12 19:41:26,818 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,910 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 18 treesize of output 20 [2021-08-12 19:41:26,911 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,933 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 [2021-08-12 19:41:26,940 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,964 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 18 treesize of output 20 [2021-08-12 19:41:26,965 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:26,989 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 [2021-08-12 19:41:26,990 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,011 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 18 treesize of output 20 [2021-08-12 19:41:27,012 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,034 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 [2021-08-12 19:41:27,035 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,060 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 [2021-08-12 19:41:27,061 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,082 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 [2021-08-12 19:41:27,083 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,104 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 [2021-08-12 19:41:27,105 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,128 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 [2021-08-12 19:41:27,129 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,150 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 [2021-08-12 19:41:27,151 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,173 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 [2021-08-12 19:41:27,174 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,196 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 [2021-08-12 19:41:27,197 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,219 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 [2021-08-12 19:41:27,220 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,241 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 [2021-08-12 19:41:27,242 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,265 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 23 treesize of output 23 [2021-08-12 19:41:27,267 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,289 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 [2021-08-12 19:41:27,290 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,313 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 [2021-08-12 19:41:27,314 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,342 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 [2021-08-12 19:41:27,343 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,371 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 16 treesize of output 18 [2021-08-12 19:41:27,372 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,398 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 21 treesize of output 21 [2021-08-12 19:41:27,399 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,422 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 [2021-08-12 19:41:27,423 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:27,939 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-08-12 19:41:27,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:27,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 18 xjuncts. [2021-08-12 19:41:27,953 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 3 variables, input treesize:2337, output treesize:495 [2021-08-12 19:41:28,297 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:41:28,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2021-08-12 19:41:28,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:28,419 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2021-08-12 19:41:28,420 INFO L628 ElimStorePlain]: treesize reduction 123, result has 56.7 percent of original size [2021-08-12 19:41:28,420 INFO L518 ElimStorePlain]: Eliminatee v_prenex_451 vanished before elimination [2021-08-12 19:41:28,441 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:41:28,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2021-08-12 19:41:28,446 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:28,453 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-08-12 19:41:28,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 1 [2021-08-12 19:41:28,454 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:28,496 INFO L628 ElimStorePlain]: treesize reduction 78, result has 36.1 percent of original size [2021-08-12 19:41:28,496 INFO L518 ElimStorePlain]: Eliminatee v_prenex_453 vanished before elimination [2021-08-12 19:41:28,496 INFO L518 ElimStorePlain]: Eliminatee v_prenex_454 vanished before elimination [2021-08-12 19:41:28,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-08-12 19:41:28,497 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:301, output treesize:50 [2021-08-12 19:41:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:28,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115937073] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:28,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:41:28,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-08-12 19:41:28,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266310631] [2021-08-12 19:41:28,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-08-12 19:41:28,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:41:28,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-12 19:41:28,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2021-08-12 19:41:28,549 INFO L87 Difference]: Start difference. First operand 6568 states and 23253 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) [2021-08-12 19:41:29,481 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2021-08-12 19:41:29,916 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2021-08-12 19:41:31,693 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-08-12 19:41:31,987 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2021-08-12 19:41:32,252 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-08-12 19:41:35,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:41:35,547 INFO L93 Difference]: Finished difference Result 10136 states and 34973 transitions. [2021-08-12 19:41:35,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-08-12 19:41:35,547 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 [2021-08-12 19:41:35,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:41:35,573 INFO L225 Difference]: With dead ends: 10136 [2021-08-12 19:41:35,573 INFO L226 Difference]: Without dead ends: 9937 [2021-08-12 19:41:35,577 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 3630.3ms TimeCoverageRelationStatistics Valid=427, Invalid=3479, Unknown=0, NotChecked=0, Total=3906 [2021-08-12 19:41:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9937 states. [2021-08-12 19:41:36,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9937 to 6611. [2021-08-12 19:41:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6611 states, 6610 states have (on average 3.5376701966717095) internal successors, (23384), 6610 states have internal predecessors, (23384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:41:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6611 states to 6611 states and 23384 transitions. [2021-08-12 19:41:36,296 INFO L78 Accepts]: Start accepts. Automaton has 6611 states and 23384 transitions. Word has length 33 [2021-08-12 19:41:36,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:41:36,297 INFO L482 AbstractCegarLoop]: Abstraction has 6611 states and 23384 transitions. [2021-08-12 19:41:36,297 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) [2021-08-12 19:41:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6611 states and 23384 transitions. [2021-08-12 19:41:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:41:36,307 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:41:36,307 INFO L550 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] [2021-08-12 19:41:36,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2600 [2021-08-12 19:41:36,507 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:41:36,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:41:36,508 INFO L82 PathProgramCache]: Analyzing trace with hash 687141710, now seen corresponding path program 31 times [2021-08-12 19:41:36,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:41:36,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780785448] [2021-08-12 19:41:36,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:41:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:41:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:36,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:41:36,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780785448] [2021-08-12 19:41:36,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780785448] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:36,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658536011] [2021-08-12 19:41:36,898 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 [2021-08-12 19:41:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:41:36,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:41:36,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:41:37,020 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 [2021-08-12 19:41:37,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:37,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:41:37,738 INFO L446 ElimStorePlain]: Different costs {1=[v_C_56], 3=[A, B]} [2021-08-12 19:41:37,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,746 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 [2021-08-12 19:41:37,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,755 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 [2021-08-12 19:41:37,756 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,764 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 [2021-08-12 19:41:37,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,774 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 [2021-08-12 19:41:37,775 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,783 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 [2021-08-12 19:41:37,784 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,793 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 [2021-08-12 19:41:37,794 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,801 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 [2021-08-12 19:41:37,802 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,810 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 [2021-08-12 19:41:37,811 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,821 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 [2021-08-12 19:41:37,822 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,831 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 [2021-08-12 19:41:37,831 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,840 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 [2021-08-12 19:41:37,840 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,849 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 [2021-08-12 19:41:37,850 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,859 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 [2021-08-12 19:41:37,860 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,868 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 [2021-08-12 19:41:37,869 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,878 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 [2021-08-12 19:41:37,879 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,887 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 [2021-08-12 19:41:37,888 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,897 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 [2021-08-12 19:41:37,897 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,906 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 [2021-08-12 19:41:37,907 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,927 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 37 treesize of output 35 [2021-08-12 19:41:37,929 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,938 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 37 treesize of output 35 [2021-08-12 19:41:37,939 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,948 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 [2021-08-12 19:41:37,949 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,961 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 [2021-08-12 19:41:37,962 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,974 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 [2021-08-12 19:41:37,976 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:37,988 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 [2021-08-12 19:41:37,990 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:37,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,003 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 [2021-08-12 19:41:38,004 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,015 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 [2021-08-12 19:41:38,017 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:38,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,027 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 [2021-08-12 19:41:38,028 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,039 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 [2021-08-12 19:41:38,040 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,050 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 [2021-08-12 19:41:38,051 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:38,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,076 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 [2021-08-12 19:41:38,077 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,088 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 [2021-08-12 19:41:38,090 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:38,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:38,099 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 [2021-08-12 19:41:38,101 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,129 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-08-12 19:41:39,130 INFO L628 ElimStorePlain]: treesize reduction 668, result has 75.0 percent of original size [2021-08-12 19:41:39,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,139 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,147 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 61 treesize of output 41 [2021-08-12 19:41:39,148 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,156 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,164 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 50 treesize of output 32 [2021-08-12 19:41:39,165 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,174 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,184 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,193 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,203 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,213 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,222 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,231 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 57 treesize of output 39 [2021-08-12 19:41:39,232 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,239 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 57 treesize of output 39 [2021-08-12 19:41:39,240 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,249 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 65 treesize of output 41 [2021-08-12 19:41:39,250 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,257 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 50 treesize of output 32 [2021-08-12 19:41:39,258 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,267 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,275 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 63 treesize of output 41 [2021-08-12 19:41:39,276 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,285 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,294 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,303 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,311 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,319 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 59 treesize of output 39 [2021-08-12 19:41:39,320 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,328 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,337 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,344 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,782 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-08-12 19:41:39,782 INFO L628 ElimStorePlain]: treesize reduction 456, result has 68.2 percent of original size [2021-08-12 19:41:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,790 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 61 treesize of output 39 [2021-08-12 19:41:39,791 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,799 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 59 treesize of output 37 [2021-08-12 19:41:39,800 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,808 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,815 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 51 treesize of output 31 [2021-08-12 19:41:39,816 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,823 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 65 treesize of output 41 [2021-08-12 19:41:39,824 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,831 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 52 treesize of output 30 [2021-08-12 19:41:39,833 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:41:39,842 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,852 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,862 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,872 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,879 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 53 treesize of output 31 [2021-08-12 19:41:39,881 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:39,889 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,896 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 65 treesize of output 39 [2021-08-12 19:41:39,897 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:41:39,905 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:41:39,913 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:39,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:39,917 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 49 treesize of output 31 [2021-08-12 19:41:39,918 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:40,003 INFO L628 ElimStorePlain]: treesize reduction 225, result has 25.7 percent of original size [2021-08-12 19:41:40,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:41:40,004 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2657, output treesize:78 [2021-08-12 19:41:40,078 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 [2021-08-12 19:41:40,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:40,081 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 [2021-08-12 19:41:40,082 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:40,091 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-08-12 19:41:40,091 INFO L518 ElimStorePlain]: Eliminatee v_prenex_455 vanished before elimination [2021-08-12 19:41:40,091 INFO L518 ElimStorePlain]: Eliminatee v_prenex_456 vanished before elimination [2021-08-12 19:41:40,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:40,091 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-08-12 19:41:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:40,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658536011] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:40,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:41:40,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-08-12 19:41:40,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23615693] [2021-08-12 19:41:40,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:41:40,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:41:40,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:41:40,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:41:40,097 INFO L87 Difference]: Start difference. First operand 6611 states and 23384 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) [2021-08-12 19:41:42,050 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-08-12 19:41:46,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:41:46,218 INFO L93 Difference]: Finished difference Result 12760 states and 43835 transitions. [2021-08-12 19:41:46,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-12 19:41:46,218 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 [2021-08-12 19:41:46,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:41:46,247 INFO L225 Difference]: With dead ends: 12760 [2021-08-12 19:41:46,248 INFO L226 Difference]: Without dead ends: 12514 [2021-08-12 19:41:46,250 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 2117.1ms TimeCoverageRelationStatistics Valid=373, Invalid=2077, Unknown=0, NotChecked=0, Total=2450 [2021-08-12 19:41:46,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12514 states. [2021-08-12 19:41:46,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12514 to 7107. [2021-08-12 19:41:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7107 states, 7106 states have (on average 3.5546017450042218) internal successors, (25259), 7106 states have internal predecessors, (25259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:41:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7107 states to 7107 states and 25259 transitions. [2021-08-12 19:41:46,989 INFO L78 Accepts]: Start accepts. Automaton has 7107 states and 25259 transitions. Word has length 33 [2021-08-12 19:41:46,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:41:46,989 INFO L482 AbstractCegarLoop]: Abstraction has 7107 states and 25259 transitions. [2021-08-12 19:41:46,989 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) [2021-08-12 19:41:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 7107 states and 25259 transitions. [2021-08-12 19:41:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:41:47,000 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:41:47,000 INFO L550 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] [2021-08-12 19:41:47,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2747,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:41:47,202 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:41:47,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:41:47,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1191335548, now seen corresponding path program 32 times [2021-08-12 19:41:47,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:41:47,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232063043] [2021-08-12 19:41:47,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:41:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:41:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:47,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:41:47,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232063043] [2021-08-12 19:41:47,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232063043] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:47,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279419189] [2021-08-12 19:41:47,665 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 [2021-08-12 19:41:47,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 19:41:47,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:41:47,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:41:47,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:41:47,790 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 [2021-08-12 19:41:47,791 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:47,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:47,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:47,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:41:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:47,942 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 [2021-08-12 19:41:47,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:47,949 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 [2021-08-12 19:41:47,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:47,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:47,956 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 [2021-08-12 19:41:47,957 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:47,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:41:47,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:47,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:41:47,964 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 35 [2021-08-12 19:41:47,965 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:41:48,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:48,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:41:48,018 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 35 [2021-08-12 19:41:48,019 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:41:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:48,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:41:48,026 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 35 [2021-08-12 19:41:48,027 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:48,034 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 [2021-08-12 19:41:48,034 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:41:48,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:41:48,040 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 35 [2021-08-12 19:41:48,041 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,247 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2021-08-12 19:41:48,248 INFO L628 ElimStorePlain]: treesize reduction 152, result has 74.3 percent of original size [2021-08-12 19:41:48,251 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-08-12 19:41:48,251 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:593, output treesize:439 [2021-08-12 19:41:48,384 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-08-12 19:41:48,637 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 51 treesize of output 35 [2021-08-12 19:41:48,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,650 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 49 treesize of output 35 [2021-08-12 19:41:48,651 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:41:48,663 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:48,672 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 35 [2021-08-12 19:41:48,673 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:49,317 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-08-12 19:41:49,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:49,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:49,331 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:49,343 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 [2021-08-12 19:41:49,344 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:49,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:49,358 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:49,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:49,370 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:49,994 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-08-12 19:41:49,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:50,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:50,008 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:50,021 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 55 treesize of output 37 [2021-08-12 19:41:50,022 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:50,033 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 57 treesize of output 37 [2021-08-12 19:41:50,034 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:50,042 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 45 treesize of output 29 [2021-08-12 19:41:50,043 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,134 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-08-12 19:41:51,135 INFO L628 ElimStorePlain]: treesize reduction 54, result has 96.3 percent of original size [2021-08-12 19:41:51,145 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 57 treesize of output 37 [2021-08-12 19:41:51,147 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,158 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 49 treesize of output 33 [2021-08-12 19:41:51,159 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:51,171 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:51,224 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,567 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 50 [2021-08-12 19:41:51,567 INFO L628 ElimStorePlain]: treesize reduction 939, result has 26.1 percent of original size [2021-08-12 19:41:51,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:51,574 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:51,581 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:51,587 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:51,591 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:51,665 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 46 treesize of output 30 [2021-08-12 19:41:51,666 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:41:51,672 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 26 [2021-08-12 19:41:51,678 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,680 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 38 treesize of output 26 [2021-08-12 19:41:51,681 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,743 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-08-12 19:41:51,743 INFO L518 ElimStorePlain]: Eliminatee v_prenex_463 vanished before elimination [2021-08-12 19:41:51,743 INFO L518 ElimStorePlain]: Eliminatee v_prenex_464 vanished before elimination [2021-08-12 19:41:51,743 INFO L518 ElimStorePlain]: Eliminatee v_prenex_465 vanished before elimination [2021-08-12 19:41:51,743 INFO L518 ElimStorePlain]: Eliminatee v_prenex_466 vanished before elimination [2021-08-12 19:41:51,743 INFO L518 ElimStorePlain]: Eliminatee v_prenex_457 vanished before elimination [2021-08-12 19:41:51,744 INFO L518 ElimStorePlain]: Eliminatee v_prenex_458 vanished before elimination [2021-08-12 19:41:51,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:41:51,744 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 12 variables, input treesize:1705, output treesize:101 [2021-08-12 19:41:51,841 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 [2021-08-12 19:41:51,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,858 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-08-12 19:41:51,858 INFO L518 ElimStorePlain]: Eliminatee v_prenex_467 vanished before elimination [2021-08-12 19:41:51,858 INFO L518 ElimStorePlain]: Eliminatee v_prenex_468 vanished before elimination [2021-08-12 19:41:51,858 INFO L518 ElimStorePlain]: Eliminatee v_prenex_469 vanished before elimination [2021-08-12 19:41:51,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:51,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-08-12 19:41:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:51,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279419189] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:51,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:41:51,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-08-12 19:41:51,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646878213] [2021-08-12 19:41:51,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:41:51,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:41:51,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:41:51,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:41:51,866 INFO L87 Difference]: Start difference. First operand 7107 states and 25259 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) [2021-08-12 19:41:53,701 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-08-12 19:41:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:41:57,830 INFO L93 Difference]: Finished difference Result 12092 states and 41803 transitions. [2021-08-12 19:41:57,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-12 19:41:57,830 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 [2021-08-12 19:41:57,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:41:57,860 INFO L225 Difference]: With dead ends: 12092 [2021-08-12 19:41:57,860 INFO L226 Difference]: Without dead ends: 11846 [2021-08-12 19:41:57,863 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 2425.2ms TimeCoverageRelationStatistics Valid=385, Invalid=2165, Unknown=0, NotChecked=0, Total=2550 [2021-08-12 19:41:57,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11846 states. [2021-08-12 19:41:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11846 to 7353. [2021-08-12 19:41:58,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7353 states, 7352 states have (on average 3.548558215451578) internal successors, (26089), 7352 states have internal predecessors, (26089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:41:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7353 states to 7353 states and 26089 transitions. [2021-08-12 19:41:58,685 INFO L78 Accepts]: Start accepts. Automaton has 7353 states and 26089 transitions. Word has length 33 [2021-08-12 19:41:58,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:41:58,686 INFO L482 AbstractCegarLoop]: Abstraction has 7353 states and 26089 transitions. [2021-08-12 19:41:58,686 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) [2021-08-12 19:41:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 7353 states and 26089 transitions. [2021-08-12 19:41:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:41:58,697 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:41:58,697 INFO L550 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] [2021-08-12 19:41:58,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2865 [2021-08-12 19:41:58,899 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:41:58,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:41:58,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1594024776, now seen corresponding path program 33 times [2021-08-12 19:41:58,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:41:58,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479998248] [2021-08-12 19:41:58,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:41:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:41:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:41:59,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:41:59,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479998248] [2021-08-12 19:41:59,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479998248] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:41:59,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825717583] [2021-08-12 19:41:59,403 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 [2021-08-12 19:41:59,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 19:41:59,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:41:59,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:41:59,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:41:59,521 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 [2021-08-12 19:41:59,521 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:59,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,530 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-08-12 19:41:59,749 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:41:59,750 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 29 treesize of output 29 [2021-08-12 19:41:59,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,762 INFO L354 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2021-08-12 19:41:59,762 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 1 [2021-08-12 19:41:59,762 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,777 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:41:59,777 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 [2021-08-12 19:41:59,778 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,793 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:41:59,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2021-08-12 19:41:59,794 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,820 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:41:59,820 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 [2021-08-12 19:41:59,821 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,837 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:41:59,837 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 29 treesize of output 29 [2021-08-12 19:41:59,838 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,855 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-08-12 19:41:59,855 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 [2021-08-12 19:41:59,856 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,866 INFO L354 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2021-08-12 19:41:59,867 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 29 treesize of output 1 [2021-08-12 19:41:59,867 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:41:59,971 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-08-12 19:41:59,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:41:59,975 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-08-12 19:41:59,975 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:513, output treesize:387 [2021-08-12 19:42:00,160 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-08-12 19:42:00,406 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-08-12 19:42:00,669 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-08-12 19:42:01,076 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:42:01,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 44 [2021-08-12 19:42:01,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-08-12 19:42:01,109 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:42:01,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-08-12 19:42:01,113 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-08-12 19:42:01,788 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-08-12 19:42:01,788 INFO L628 ElimStorePlain]: treesize reduction 113, result has 88.3 percent of original size [2021-08-12 19:42:01,801 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-12 19:42:01,802 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 23 treesize of output 19 [2021-08-12 19:42:01,803 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:01,830 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-08-12 19:42:01,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 34 [2021-08-12 19:42:01,832 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:02,162 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-08-12 19:42:02,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:02,194 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:42:02,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-08-12 19:42:02,198 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-08-12 19:42:02,210 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-12 19:42:02,210 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 23 treesize of output 19 [2021-08-12 19:42:02,211 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:02,541 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-08-12 19:42:02,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:02,574 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:42:02,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-08-12 19:42:02,578 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-08-12 19:42:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:02,589 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 [2021-08-12 19:42:02,590 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:03,228 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2021-08-12 19:42:03,229 INFO L628 ElimStorePlain]: treesize reduction 32, result has 96.1 percent of original size [2021-08-12 19:42:03,260 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:42:03,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-08-12 19:42:03,263 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-08-12 19:42:03,275 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-12 19:42:03,276 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 28 treesize of output 22 [2021-08-12 19:42:03,277 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:03,863 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-08-12 19:42:03,864 INFO L628 ElimStorePlain]: treesize reduction 32, result has 96.0 percent of original size [2021-08-12 19:42:03,893 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-08-12 19:42:03,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-08-12 19:42:03,896 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-08-12 19:42:03,907 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-12 19:42:03,907 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 23 treesize of output 19 [2021-08-12 19:42:03,908 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:04,224 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-08-12 19:42:04,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:04,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 12 xjuncts. [2021-08-12 19:42:04,284 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:911, output treesize:938 [2021-08-12 19:42:04,792 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2021-08-12 19:42:13,010 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_482, v_prenex_493, v_prenex_483, v_prenex_494, v_prenex_495, v_prenex_496, v_prenex_486, v_prenex_497, v_prenex_487, v_prenex_498, v_prenex_488, v_prenex_510, v_prenex_511, v_prenex_501, v_prenex_512, v_prenex_502, v_prenex_508, v_prenex_509], 5=[A, B, v_prenex_490, v_prenex_480, v_prenex_491, v_prenex_481, v_prenex_492, v_prenex_484, v_prenex_485, v_prenex_499, v_prenex_489, v_prenex_500], 20=[v_prenex_507]} [2021-08-12 19:42:13,081 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:42:13,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 29 [2021-08-12 19:42:13,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:13,140 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-12 19:42:13,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-08-12 19:42:13,142 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:24,249 WARN L205 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 487 DAG size of output: 464 [2021-08-12 19:42:24,270 INFO L628 ElimStorePlain]: treesize reduction 1260, result has 80.1 percent of original size [2021-08-12 19:42:24,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:24,327 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 25 treesize of output 33 [2021-08-12 19:42:24,331 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:24,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:24,385 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 25 treesize of output 33 [2021-08-12 19:42:24,390 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:27,823 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification that was a NOOP. DAG size: 457 [2021-08-12 19:42:27,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:27,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:27,869 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 27 treesize of output 25 [2021-08-12 19:42:27,872 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:27,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:27,911 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-12 19:42:27,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 17 [2021-08-12 19:42:27,912 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:34,341 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 447 DAG size of output: 441 [2021-08-12 19:42:34,342 INFO L628 ElimStorePlain]: treesize reduction 266, result has 94.6 percent of original size [2021-08-12 19:42:34,400 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:34,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 31 [2021-08-12 19:42:34,406 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:34,440 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-08-12 19:42:34,440 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 25 treesize of output 15 [2021-08-12 19:42:34,442 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:39,624 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 432 DAG size of output: 379 [2021-08-12 19:42:39,625 INFO L628 ElimStorePlain]: treesize reduction 773, result has 83.4 percent of original size [2021-08-12 19:42:39,688 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:42:39,688 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 27 treesize of output 29 [2021-08-12 19:42:39,692 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:39,739 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-08-12 19:42:39,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 25 [2021-08-12 19:42:39,743 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:42,174 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 374 [2021-08-12 19:42:42,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:42,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:42,212 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 27 treesize of output 23 [2021-08-12 19:42:42,215 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:42,246 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-08-12 19:42:42,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 1 [2021-08-12 19:42:42,247 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:45,937 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 363 DAG size of output: 296 [2021-08-12 19:42:45,938 INFO L628 ElimStorePlain]: treesize reduction 755, result has 80.1 percent of original size [2021-08-12 19:42:45,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_486 vanished before elimination [2021-08-12 19:42:45,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_497 vanished before elimination [2021-08-12 19:42:45,961 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-08-12 19:42:45,961 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 17 [2021-08-12 19:42:45,962 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:49,127 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 289 DAG size of output: 284 [2021-08-12 19:42:49,128 INFO L628 ElimStorePlain]: treesize reduction 115, result has 96.2 percent of original size [2021-08-12 19:42:49,128 INFO L518 ElimStorePlain]: Eliminatee v_prenex_498 vanished before elimination [2021-08-12 19:42:49,128 INFO L518 ElimStorePlain]: Eliminatee v_prenex_488 vanished before elimination [2021-08-12 19:42:49,128 INFO L518 ElimStorePlain]: Eliminatee v_prenex_510 vanished before elimination [2021-08-12 19:42:49,142 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 [2021-08-12 19:42:49,144 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:50,746 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 279 [2021-08-12 19:42:50,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:50,760 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 [2021-08-12 19:42:50,761 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:52,333 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 274 [2021-08-12 19:42:52,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:52,356 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-08-12 19:42:52,357 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 27 treesize of output 15 [2021-08-12 19:42:52,358 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:55,309 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 265 DAG size of output: 249 [2021-08-12 19:42:55,310 INFO L628 ElimStorePlain]: treesize reduction 113, result has 96.0 percent of original size [2021-08-12 19:42:55,310 INFO L518 ElimStorePlain]: Eliminatee v_prenex_502 vanished before elimination [2021-08-12 19:42:55,310 INFO L518 ElimStorePlain]: Eliminatee v_prenex_508 vanished before elimination [2021-08-12 19:42:55,311 INFO L518 ElimStorePlain]: Eliminatee v_prenex_509 vanished before elimination [2021-08-12 19:42:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:55,337 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:55,337 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 16 treesize of output 18 [2021-08-12 19:42:55,341 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:55,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:55,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-08-12 19:42:55,380 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:55,436 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-08-12 19:42:55,436 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 25 treesize of output 37 [2021-08-12 19:42:55,440 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:55,506 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-08-12 19:42:55,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 45 [2021-08-12 19:42:55,512 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:55,541 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:55,541 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 16 treesize of output 18 [2021-08-12 19:42:55,545 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:55,575 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:55,575 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 16 treesize of output 26 [2021-08-12 19:42:55,579 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:56,981 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 244 [2021-08-12 19:42:56,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:57,021 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:42:57,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2021-08-12 19:42:57,024 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:57,066 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:42:57,066 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 20 treesize of output 22 [2021-08-12 19:42:57,069 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:57,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:42:57,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:42:57,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-08-12 19:42:57,092 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:57,130 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:57,130 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 2 case distinctions, treesize of input 16 treesize of output 26 [2021-08-12 19:42:57,135 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:57,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:42:57,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:42:57,154 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 16 treesize of output 7 [2021-08-12 19:42:57,155 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:57,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-08-12 19:42:57,166 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:58,421 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2021-08-12 19:42:58,422 INFO L628 ElimStorePlain]: treesize reduction 1510, result has 40.3 percent of original size [2021-08-12 19:42:58,487 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-08-12 19:42:58,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 45 [2021-08-12 19:42:58,493 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:58,515 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-08-12 19:42:58,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 1 [2021-08-12 19:42:58,516 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:58,933 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-08-12 19:42:58,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:58,983 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-08-12 19:42:58,983 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 25 treesize of output 37 [2021-08-12 19:42:58,987 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:59,008 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-08-12 19:42:59,008 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 1 [2021-08-12 19:42:59,009 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:59,370 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-08-12 19:42:59,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:59,433 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-08-12 19:42:59,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 45 [2021-08-12 19:42:59,439 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:59,485 INFO L354 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2021-08-12 19:42:59,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 37 [2021-08-12 19:42:59,490 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:59,873 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-08-12 19:42:59,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:42:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:59,925 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-08-12 19:42:59,925 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 27 treesize of output 37 [2021-08-12 19:42:59,929 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:42:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:42:59,949 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-08-12 19:42:59,949 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 1 [2021-08-12 19:42:59,950 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:00,305 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-08-12 19:43:00,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:00,335 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:00,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2021-08-12 19:43:00,341 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:00,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-08-12 19:43:00,348 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:00,652 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-08-12 19:43:00,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:00,717 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-08-12 19:43:00,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 41 [2021-08-12 19:43:00,721 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:00,770 INFO L354 Elim1Store]: treesize reduction 25, result has 39.0 percent of original size [2021-08-12 19:43:00,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 32 [2021-08-12 19:43:00,772 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:01,328 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-08-12 19:43:01,328 INFO L628 ElimStorePlain]: treesize reduction 57, result has 91.3 percent of original size [2021-08-12 19:43:01,384 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-08-12 19:43:01,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 45 [2021-08-12 19:43:01,392 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:01,411 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-08-12 19:43:01,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 1 [2021-08-12 19:43:01,412 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:01,626 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-08-12 19:43:01,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:01,684 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-08-12 19:43:01,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 45 [2021-08-12 19:43:01,690 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:01,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:01,733 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-08-12 19:43:01,733 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 27 treesize of output 37 [2021-08-12 19:43:01,737 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:01,936 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-08-12 19:43:01,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:01,956 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:01,957 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 2 case distinctions, treesize of input 18 treesize of output 26 [2021-08-12 19:43:01,964 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:02,155 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-08-12 19:43:02,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:02,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:02,178 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 2 case distinctions, treesize of input 16 treesize of output 26 [2021-08-12 19:43:02,182 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:02,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-08-12 19:43:02,187 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:02,346 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-08-12 19:43:02,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:02,394 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:43:02,394 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 2 case distinctions, treesize of input 20 treesize of output 22 [2021-08-12 19:43:02,398 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:02,422 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:02,422 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 2 case distinctions, treesize of input 20 treesize of output 26 [2021-08-12 19:43:02,429 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:02,458 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-08-12 19:43:02,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2021-08-12 19:43:02,461 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:02,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:02,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2021-08-12 19:43:02,489 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:02,626 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-08-12 19:43:02,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:02,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 31 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-08-12 19:43:02,645 INFO L247 ElimStorePlain]: Needed 52 recursive calls to eliminate 40 variables, input treesize:6369, output treesize:203 [2021-08-12 19:43:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:43:02,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825717583] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:02,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:43:02,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-08-12 19:43:02,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393132151] [2021-08-12 19:43:02,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-08-12 19:43:02,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:43:02,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-12 19:43:02,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=740, Unknown=2, NotChecked=0, Total=870 [2021-08-12 19:43:02,786 INFO L87 Difference]: Start difference. First operand 7353 states and 26089 transitions. Second operand has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 29 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) [2021-08-12 19:43:03,713 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 52 [2021-08-12 19:43:04,125 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 64 [2021-08-12 19:43:04,752 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 75 [2021-08-12 19:43:05,421 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2021-08-12 19:43:05,835 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2021-08-12 19:43:05,973 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-08-12 19:43:06,463 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 110 [2021-08-12 19:43:06,772 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 53 [2021-08-12 19:43:07,605 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 85 [2021-08-12 19:43:08,309 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 73 [2021-08-12 19:43:08,716 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 96 [2021-08-12 19:43:11,237 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 131 [2021-08-12 19:43:12,186 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2021-08-12 19:43:12,591 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 108 [2021-08-12 19:43:12,923 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-08-12 19:43:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:43:15,736 INFO L93 Difference]: Finished difference Result 11943 states and 40893 transitions. [2021-08-12 19:43:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-12 19:43:15,737 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 29 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 [2021-08-12 19:43:15,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:43:15,769 INFO L225 Difference]: With dead ends: 11943 [2021-08-12 19:43:15,769 INFO L226 Difference]: Without dead ends: 11876 [2021-08-12 19:43:15,773 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1601 ImplicationChecksByTransitivity, 7688.9ms TimeCoverageRelationStatistics Valid=772, Invalid=4336, Unknown=4, NotChecked=0, Total=5112 [2021-08-12 19:43:15,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11876 states. [2021-08-12 19:43:16,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11876 to 7412. [2021-08-12 19:43:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7412 states, 7411 states have (on average 3.5448657401160437) internal successors, (26271), 7411 states have internal predecessors, (26271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:43:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7412 states to 7412 states and 26271 transitions. [2021-08-12 19:43:16,653 INFO L78 Accepts]: Start accepts. Automaton has 7412 states and 26271 transitions. Word has length 33 [2021-08-12 19:43:16,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:43:16,653 INFO L482 AbstractCegarLoop]: Abstraction has 7412 states and 26271 transitions. [2021-08-12 19:43:16,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 29 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) [2021-08-12 19:43:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7412 states and 26271 transitions. [2021-08-12 19:43:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:43:16,666 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:43:16,666 INFO L550 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] [2021-08-12 19:43:16,866 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2948 [2021-08-12 19:43:16,867 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:43:16,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:43:16,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096704, now seen corresponding path program 34 times [2021-08-12 19:43:16,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:43:16,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583678199] [2021-08-12 19:43:16,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:43:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:43:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:43:17,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:43:17,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583678199] [2021-08-12 19:43:17,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583678199] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:17,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254098961] [2021-08-12 19:43:17,283 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 [2021-08-12 19:43:17,312 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 19:43:17,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:43:17,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-08-12 19:43:17,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:43:17,404 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 [2021-08-12 19:43:17,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:17,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:17,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:43:17,415 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-08-12 19:43:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:17,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:43:17,502 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 50 treesize of output 46 [2021-08-12 19:43:17,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:17,508 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 43 treesize of output 43 [2021-08-12 19:43:17,509 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:17,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:17,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-08-12 19:43:17,548 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:139, output treesize:145 [2021-08-12 19:43:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 50 [2021-08-12 19:43:18,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 50 [2021-08-12 19:43:18,135 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,145 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 72 treesize of output 50 [2021-08-12 19:43:18,146 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-08-12 19:43:18,157 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,168 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 72 treesize of output 50 [2021-08-12 19:43:18,169 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-08-12 19:43:18,182 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-08-12 19:43:18,193 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-08-12 19:43:18,205 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-08-12 19:43:18,216 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,227 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 76 treesize of output 50 [2021-08-12 19:43:18,228 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-08-12 19:43:18,242 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 50 [2021-08-12 19:43:18,256 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-08-12 19:43:18,272 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,285 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 76 treesize of output 50 [2021-08-12 19:43:18,286 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 50 [2021-08-12 19:43:18,300 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:18,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-08-12 19:43:18,310 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,314 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2021-08-12 19:43:19,315 INFO L628 ElimStorePlain]: treesize reduction 1032, result has 65.1 percent of original size [2021-08-12 19:43:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 51 [2021-08-12 19:43:19,325 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,335 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 82 treesize of output 54 [2021-08-12 19:43:19,337 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:19,347 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-08-12 19:43:19,359 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,368 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 82 treesize of output 54 [2021-08-12 19:43:19,369 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,380 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 65 treesize of output 41 [2021-08-12 19:43:19,381 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,392 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 82 treesize of output 54 [2021-08-12 19:43:19,393 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 51 [2021-08-12 19:43:19,404 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 51 [2021-08-12 19:43:19,414 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,424 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 67 treesize of output 41 [2021-08-12 19:43:19,425 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:19,435 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:19,442 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 77 treesize of output 51 [2021-08-12 19:43:19,443 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,073 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2021-08-12 19:43:20,074 INFO L628 ElimStorePlain]: treesize reduction 262, result has 82.3 percent of original size [2021-08-12 19:43:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,083 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 50 treesize of output 24 [2021-08-12 19:43:20,084 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,093 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 48 treesize of output 26 [2021-08-12 19:43:20,094 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,103 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 46 treesize of output 24 [2021-08-12 19:43:20,103 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 26 [2021-08-12 19:43:20,113 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,121 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 46 treesize of output 26 [2021-08-12 19:43:20,122 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 24 [2021-08-12 19:43:20,131 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 24 [2021-08-12 19:43:20,141 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,146 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 50 treesize of output 30 [2021-08-12 19:43:20,147 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,539 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-08-12 19:43:20,539 INFO L628 ElimStorePlain]: treesize reduction 130, result has 86.1 percent of original size [2021-08-12 19:43:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:20,550 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:20,559 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,567 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 58 treesize of output 38 [2021-08-12 19:43:20,568 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2021-08-12 19:43:20,577 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 40 [2021-08-12 19:43:20,586 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,594 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 46 treesize of output 24 [2021-08-12 19:43:20,595 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,602 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 61 treesize of output 37 [2021-08-12 19:43:20,603 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,610 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 62 treesize of output 40 [2021-08-12 19:43:20,612 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,619 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 59 treesize of output 35 [2021-08-12 19:43:20,620 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:20,629 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,636 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 44 treesize of output 24 [2021-08-12 19:43:20,637 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:20,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 26 [2021-08-12 19:43:20,642 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,697 INFO L628 ElimStorePlain]: treesize reduction 267, result has 20.8 percent of original size [2021-08-12 19:43:20,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:43:20,698 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 4 variables, input treesize:3329, output treesize:70 [2021-08-12 19:43:20,772 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 [2021-08-12 19:43:20,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,785 INFO L628 ElimStorePlain]: treesize reduction 109, result has 4.4 percent of original size [2021-08-12 19:43:20,785 INFO L518 ElimStorePlain]: Eliminatee v_prenex_516 vanished before elimination [2021-08-12 19:43:20,786 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-08-12 19:43:20,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:43:20,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:5 [2021-08-12 19:43:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:43:20,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254098961] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:20,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:43:20,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-08-12 19:43:20,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070842804] [2021-08-12 19:43:20,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:43:20,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:43:20,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:43:20,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:43:20,792 INFO L87 Difference]: Start difference. First operand 7412 states and 26271 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) [2021-08-12 19:43:22,114 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2021-08-12 19:43:22,373 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-08-12 19:43:22,767 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 48 [2021-08-12 19:43:23,241 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2021-08-12 19:43:27,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:43:27,652 INFO L93 Difference]: Finished difference Result 12617 states and 43641 transitions. [2021-08-12 19:43:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-12 19:43:27,653 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 [2021-08-12 19:43:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:43:27,686 INFO L225 Difference]: With dead ends: 12617 [2021-08-12 19:43:27,686 INFO L226 Difference]: Without dead ends: 12430 [2021-08-12 19:43:27,689 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 722 ImplicationChecksByTransitivity, 2464.1ms TimeCoverageRelationStatistics Valid=370, Invalid=2180, Unknown=0, NotChecked=0, Total=2550 [2021-08-12 19:43:27,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2021-08-12 19:43:28,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 7842. [2021-08-12 19:43:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 7841 states have (on average 3.5546486417548784) internal successors, (27872), 7841 states have internal predecessors, (27872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:43:28,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 27872 transitions. [2021-08-12 19:43:28,642 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 27872 transitions. Word has length 33 [2021-08-12 19:43:28,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:43:28,642 INFO L482 AbstractCegarLoop]: Abstraction has 7842 states and 27872 transitions. [2021-08-12 19:43:28,642 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) [2021-08-12 19:43:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 27872 transitions. [2021-08-12 19:43:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:43:28,653 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:43:28,653 INFO L550 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] [2021-08-12 19:43:28,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5043 [2021-08-12 19:43:28,854 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:43:28,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:43:28,854 INFO L82 PathProgramCache]: Analyzing trace with hash -919407476, now seen corresponding path program 35 times [2021-08-12 19:43:28,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:43:28,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021394423] [2021-08-12 19:43:28,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:43:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:43:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:43:29,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:43:29,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021394423] [2021-08-12 19:43:29,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021394423] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:29,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010189705] [2021-08-12 19:43:29,245 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 [2021-08-12 19:43:29,274 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-12 19:43:29,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:43:29,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-12 19:43:29,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:43:29,364 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 12 treesize of output 11 [2021-08-12 19:43:29,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:29,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:45 [2021-08-12 19:43:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,501 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 [2021-08-12 19:43:29,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,507 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 [2021-08-12 19:43:29,508 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:29,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-08-12 19:43:29,538 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-08-12 19:43:29,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,715 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 [2021-08-12 19:43:29,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,722 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 [2021-08-12 19:43:29,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,729 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 [2021-08-12 19:43:29,730 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,737 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 [2021-08-12 19:43:29,738 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,744 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 [2021-08-12 19:43:29,745 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,810 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 [2021-08-12 19:43:29,811 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,816 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 [2021-08-12 19:43:29,817 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:29,821 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 [2021-08-12 19:43:29,822 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:30,096 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-08-12 19:43:30,097 INFO L628 ElimStorePlain]: treesize reduction 431, result has 56.2 percent of original size [2021-08-12 19:43:30,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:30,101 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 [2021-08-12 19:43:30,102 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:30,106 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 [2021-08-12 19:43:30,107 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:30,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:30,111 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 [2021-08-12 19:43:30,111 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:30,321 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-08-12 19:43:30,322 INFO L628 ElimStorePlain]: treesize reduction 45, result has 90.8 percent of original size [2021-08-12 19:43:30,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-08-12 19:43:30,324 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:1177, output treesize:443 [2021-08-12 19:43:30,461 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-08-12 19:43:31,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:31,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:31,873 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 680 [2021-08-12 19:43:31,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:31,901 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 27 treesize of output 15 [2021-08-12 19:43:31,902 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:32,726 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 349 [2021-08-12 19:43:32,727 INFO L628 ElimStorePlain]: treesize reduction 864, result has 51.9 percent of original size [2021-08-12 19:43:32,727 INFO L518 ElimStorePlain]: Eliminatee v_prenex_562 vanished before elimination [2021-08-12 19:43:32,727 INFO L518 ElimStorePlain]: Eliminatee v_prenex_563 vanished before elimination [2021-08-12 19:43:32,743 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 29 treesize of output 17 [2021-08-12 19:43:32,745 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:33,076 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-08-12 19:43:33,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:33,076 INFO L518 ElimStorePlain]: Eliminatee v_prenex_564 vanished before elimination [2021-08-12 19:43:33,090 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 27 treesize of output 15 [2021-08-12 19:43:33,091 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:33,139 INFO L628 ElimStorePlain]: treesize reduction 886, result has 0.6 percent of original size [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_565 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_566 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_522 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_567 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_523 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_524 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_568 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_558 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_559 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_518 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_519 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_590 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_591 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_592 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_593 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_550 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_594 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_551 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_595 vanished before elimination [2021-08-12 19:43:33,140 INFO L518 ElimStorePlain]: Eliminatee v_prenex_552 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_553 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_554 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_555 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_556 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_557 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_547 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_548 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_549 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_580 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_581 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_582 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_583 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_540 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_584 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_541 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_585 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_542 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_586 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_543 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_587 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_588 vanished before elimination [2021-08-12 19:43:33,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_544 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_589 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_545 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_546 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_536 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_537 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_538 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_539 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_570 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_571 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_572 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_573 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_574 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_530 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_575 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_531 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_576 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_532 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_577 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_533 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_534 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_578 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_535 vanished before elimination [2021-08-12 19:43:33,142 INFO L518 ElimStorePlain]: Eliminatee v_prenex_579 vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee v_prenex_525 vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee v_prenex_569 vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee v_prenex_526 vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee v_prenex_527 vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee v_prenex_528 vanished before elimination [2021-08-12 19:43:33,143 INFO L518 ElimStorePlain]: Eliminatee v_prenex_529 vanished before elimination [2021-08-12 19:43:33,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:43:33,143 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 80 variables, input treesize:1841, output treesize:5 [2021-08-12 19:43:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:43:33,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010189705] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:33,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:43:33,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-08-12 19:43:33,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959473567] [2021-08-12 19:43:33,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-08-12 19:43:33,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:43:33,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-12 19:43:33,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-08-12 19:43:33,153 INFO L87 Difference]: Start difference. First operand 7842 states and 27872 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) [2021-08-12 19:43:33,307 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-08-12 19:43:34,062 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-08-12 19:43:34,782 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-08-12 19:43:36,757 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-08-12 19:43:41,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:43:41,036 INFO L93 Difference]: Finished difference Result 13657 states and 47265 transitions. [2021-08-12 19:43:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-12 19:43:41,037 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 [2021-08-12 19:43:41,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:43:41,072 INFO L225 Difference]: With dead ends: 13657 [2021-08-12 19:43:41,072 INFO L226 Difference]: Without dead ends: 13307 [2021-08-12 19:43:41,076 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 2800.3ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-08-12 19:43:41,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13307 states. [2021-08-12 19:43:41,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13307 to 7671. [2021-08-12 19:43:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7671 states, 7670 states have (on average 3.5572359843546284) internal successors, (27284), 7670 states have internal predecessors, (27284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:43:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 27284 transitions. [2021-08-12 19:43:42,007 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 27284 transitions. Word has length 33 [2021-08-12 19:43:42,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:43:42,007 INFO L482 AbstractCegarLoop]: Abstraction has 7671 states and 27284 transitions. [2021-08-12 19:43:42,007 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) [2021-08-12 19:43:42,007 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 27284 transitions. [2021-08-12 19:43:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-12 19:43:42,020 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:43:42,020 INFO L550 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] [2021-08-12 19:43:42,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5167 [2021-08-12 19:43:42,220 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:43:42,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:43:42,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1958616328, now seen corresponding path program 36 times [2021-08-12 19:43:42,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:43:42,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994230473] [2021-08-12 19:43:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:43:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:43:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:43:42,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:43:42,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994230473] [2021-08-12 19:43:42,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994230473] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:42,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955017647] [2021-08-12 19:43:42,687 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 [2021-08-12 19:43:42,717 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-12 19:43:42,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:43:42,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-12 19:43:42,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:43:42,809 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 [2021-08-12 19:43:42,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:42,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:42,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:43:42,820 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-08-12 19:43:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:42,909 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 [2021-08-12 19:43:42,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:42,915 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 [2021-08-12 19:43:42,916 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:42,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:42,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-08-12 19:43:42,947 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:115 [2021-08-12 19:43:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:43,033 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 [2021-08-12 19:43:43,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:43,038 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 [2021-08-12 19:43:43,039 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,089 INFO L628 ElimStorePlain]: treesize reduction 81, result has 55.7 percent of original size [2021-08-12 19:43:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:43:43,092 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 [2021-08-12 19:43:43,093 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:43,111 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-08-12 19:43:43,111 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:227, output treesize:74 [2021-08-12 19:43:43,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,754 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 29 treesize of output 17 [2021-08-12 19:43:43,755 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,764 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 29 treesize of output 17 [2021-08-12 19:43:43,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,774 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 29 treesize of output 17 [2021-08-12 19:43:43,774 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,784 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,793 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 29 treesize of output 17 [2021-08-12 19:43:43,794 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,803 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 27 treesize of output 17 [2021-08-12 19:43:43,804 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,814 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,823 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 29 treesize of output 17 [2021-08-12 19:43:43,824 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,833 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,843 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,852 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,861 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,870 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,879 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:43,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:43,893 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:44,409 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-08-12 19:43:44,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:43:44,424 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 27 treesize of output 15 [2021-08-12 19:43:44,425 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:44,433 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 25 treesize of output 15 [2021-08-12 19:43:44,434 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:44,441 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 27 treesize of output 15 [2021-08-12 19:43:44,442 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:44,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-08-12 19:43:44,448 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:43:44,573 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 5 [2021-08-12 19:43:44,573 INFO L628 ElimStorePlain]: treesize reduction 1473, result has 0.3 percent of original size [2021-08-12 19:43:44,573 INFO L518 ElimStorePlain]: Eliminatee v_prenex_597 vanished before elimination [2021-08-12 19:43:44,573 INFO L518 ElimStorePlain]: Eliminatee v_prenex_598 vanished before elimination [2021-08-12 19:43:44,573 INFO L518 ElimStorePlain]: Eliminatee v_prenex_599 vanished before elimination [2021-08-12 19:43:44,573 INFO L518 ElimStorePlain]: Eliminatee v_prenex_600 vanished before elimination [2021-08-12 19:43:44,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:43:44,574 INFO L247 ElimStorePlain]: Needed 21 recursive calls to eliminate 6 variables, input treesize:2209, output treesize:5 [2021-08-12 19:43:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 19:43:44,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955017647] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:44,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:43:44,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-08-12 19:43:44,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337644439] [2021-08-12 19:43:44,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 19:43:44,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:43:44,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 19:43:44,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2021-08-12 19:43:44,583 INFO L87 Difference]: Start difference. First operand 7671 states and 27284 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) [2021-08-12 19:43:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:43:51,707 INFO L93 Difference]: Finished difference Result 12012 states and 41896 transitions. [2021-08-12 19:43:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-12 19:43:51,707 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 [2021-08-12 19:43:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:43:51,738 INFO L225 Difference]: With dead ends: 12012 [2021-08-12 19:43:51,738 INFO L226 Difference]: Without dead ends: 11794 [2021-08-12 19:43:51,740 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 2717.7ms TimeCoverageRelationStatistics Valid=517, Invalid=2453, Unknown=0, NotChecked=0, Total=2970 [2021-08-12 19:43:51,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11794 states. [2021-08-12 19:43:52,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11794 to 7671. [2021-08-12 19:43:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7671 states, 7670 states have (on average 3.5604954367666233) internal successors, (27309), 7670 states have internal predecessors, (27309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:43:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 27309 transitions. [2021-08-12 19:43:52,657 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 27309 transitions. Word has length 33 [2021-08-12 19:43:52,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:43:52,657 INFO L482 AbstractCegarLoop]: Abstraction has 7671 states and 27309 transitions. [2021-08-12 19:43:52,658 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) [2021-08-12 19:43:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 27309 transitions. [2021-08-12 19:43:52,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:43:52,670 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:43:52,670 INFO L550 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] [2021-08-12 19:43:52,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5197,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:43:52,875 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:43:52,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:43:52,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1287961654, now seen corresponding path program 37 times [2021-08-12 19:43:52,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:43:52,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356756158] [2021-08-12 19:43:52,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:43:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:43:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 19:43:52,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:43:52,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356756158] [2021-08-12 19:43:52,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356756158] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:52,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831721233] [2021-08-12 19:43:52,902 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 [2021-08-12 19:43:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:43:52,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-12 19:43:52,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:43:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 19:43:52,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831721233] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:52,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:43:52,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-08-12 19:43:52,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737085004] [2021-08-12 19:43:52,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 19:43:52,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:43:52,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 19:43:52,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-12 19:43:52,970 INFO L87 Difference]: Start difference. First operand 7671 states and 27309 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) [2021-08-12 19:43:57,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:43:57,144 INFO L93 Difference]: Finished difference Result 12548 states and 43653 transitions. [2021-08-12 19:43:57,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 19:43:57,144 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 [2021-08-12 19:43:57,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:43:57,175 INFO L225 Difference]: With dead ends: 12548 [2021-08-12 19:43:57,175 INFO L226 Difference]: Without dead ends: 12045 [2021-08-12 19:43:57,177 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 42.5ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-08-12 19:43:57,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12045 states. [2021-08-12 19:43:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12045 to 10004. [2021-08-12 19:43:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10004 states, 10003 states have (on average 3.617014895531341) internal successors, (36181), 10003 states have internal predecessors, (36181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:43:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10004 states to 10004 states and 36181 transitions. [2021-08-12 19:43:58,491 INFO L78 Accepts]: Start accepts. Automaton has 10004 states and 36181 transitions. Word has length 35 [2021-08-12 19:43:58,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:43:58,491 INFO L482 AbstractCegarLoop]: Abstraction has 10004 states and 36181 transitions. [2021-08-12 19:43:58,491 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) [2021-08-12 19:43:58,491 INFO L276 IsEmpty]: Start isEmpty. Operand 10004 states and 36181 transitions. [2021-08-12 19:43:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:43:58,505 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:43:58,505 INFO L550 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] [2021-08-12 19:43:58,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5403,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:43:58,706 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:43:58,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:43:58,706 INFO L82 PathProgramCache]: Analyzing trace with hash 612932962, now seen corresponding path program 38 times [2021-08-12 19:43:58,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:43:58,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390963102] [2021-08-12 19:43:58,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:43:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:43:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 19:43:58,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:43:58,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390963102] [2021-08-12 19:43:58,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390963102] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:58,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270792761] [2021-08-12 19:43:58,726 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 [2021-08-12 19:43:58,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 19:43:58,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:43:58,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-12 19:43:58,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:43:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 19:43:58,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270792761] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:43:58,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:43:58,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 19:43:58,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105467340] [2021-08-12 19:43:58,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 19:43:58,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:43:58,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 19:43:58,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-12 19:43:58,797 INFO L87 Difference]: Start difference. First operand 10004 states and 36181 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) [2021-08-12 19:44:02,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:44:02,958 INFO L93 Difference]: Finished difference Result 11944 states and 41751 transitions. [2021-08-12 19:44:02,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 19:44:02,959 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 [2021-08-12 19:44:02,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:44:02,994 INFO L225 Difference]: With dead ends: 11944 [2021-08-12 19:44:02,994 INFO L226 Difference]: Without dead ends: 11606 [2021-08-12 19:44:02,997 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 26.8ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-12 19:44:03,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11606 states. [2021-08-12 19:44:04,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11606 to 9133. [2021-08-12 19:44:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9133 states, 9132 states have (on average 3.5799386771791504) internal successors, (32692), 9132 states have internal predecessors, (32692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:44:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9133 states to 9133 states and 32692 transitions. [2021-08-12 19:44:04,251 INFO L78 Accepts]: Start accepts. Automaton has 9133 states and 32692 transitions. Word has length 35 [2021-08-12 19:44:04,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:44:04,251 INFO L482 AbstractCegarLoop]: Abstraction has 9133 states and 32692 transitions. [2021-08-12 19:44:04,251 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) [2021-08-12 19:44:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 9133 states and 32692 transitions. [2021-08-12 19:44:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:44:04,265 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:44:04,265 INFO L550 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] [2021-08-12 19:44:04,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5404 [2021-08-12 19:44:04,465 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:44:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:44:04,466 INFO L82 PathProgramCache]: Analyzing trace with hash -750423870, now seen corresponding path program 39 times [2021-08-12 19:44:04,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:44:04,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039552746] [2021-08-12 19:44:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:44:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:44:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:44:04,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:44:04,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039552746] [2021-08-12 19:44:04,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039552746] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:44:04,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693825343] [2021-08-12 19:44:04,495 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 [2021-08-12 19:44:04,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 19:44:04,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:44:04,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-12 19:44:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:44:04,632 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 18 treesize of output 17 [2021-08-12 19:44:04,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:04,637 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 [2021-08-12 19:44:04,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:04,641 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 [2021-08-12 19:44:04,642 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:04,646 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 [2021-08-12 19:44:04,646 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:04,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:04,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-08-12 19:44:04,718 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:241, output treesize:237 [2021-08-12 19:44:05,403 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-08-12 19:44:06,054 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-08-12 19:44:06,863 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-08-12 19:44:08,544 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 248 [2021-08-12 19:44:09,117 INFO L446 ElimStorePlain]: Different costs {3=[v_C_68], 629=[A, B]} [2021-08-12 19:44:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,163 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,164 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,218 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,218 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,221 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,267 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,270 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,325 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,326 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:09,327 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,377 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,377 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:09,379 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,429 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,430 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:09,431 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,473 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,473 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,475 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,520 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,520 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,522 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,572 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,572 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,574 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,625 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,625 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:09,627 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,686 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,686 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,688 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,744 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,744 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,746 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,796 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,796 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:09,797 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,860 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,861 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,863 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,917 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,917 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,919 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:09,974 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:09,974 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:09,976 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:09,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,030 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,030 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,031 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,097 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,097 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:10,099 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,166 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,167 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:10,169 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,227 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,227 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:10,229 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,323 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,323 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,324 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,381 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,382 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,383 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,448 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,448 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,449 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,507 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,507 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,508 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,576 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,577 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,578 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,641 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,641 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:10,643 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,701 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,701 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,703 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,774 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,774 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,775 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,848 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,848 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,849 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,914 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,914 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:10,915 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:10,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:10,979 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:10,979 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2021-08-12 19:44:10,982 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:11,045 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-12 19:44:11,046 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2021-08-12 19:44:11,047 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:12,285 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 371 [2021-08-12 19:44:12,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,417 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:12,417 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 72 treesize of output 100 [2021-08-12 19:44:12,424 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,555 INFO L354 Elim1Store]: treesize reduction 8, result has 86.9 percent of original size [2021-08-12 19:44:12,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 104 [2021-08-12 19:44:12,565 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,681 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:12,681 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 72 treesize of output 104 [2021-08-12 19:44:12,697 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:12,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,832 INFO L354 Elim1Store]: treesize reduction 8, result has 84.9 percent of original size [2021-08-12 19:44:12,833 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 83 [2021-08-12 19:44:12,843 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:12,980 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:12,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 95 [2021-08-12 19:44:13,029 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:13,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,143 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:13,143 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 91 [2021-08-12 19:44:13,191 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,345 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:13,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 108 [2021-08-12 19:44:13,353 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,467 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:13,467 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 91 [2021-08-12 19:44:13,506 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:13,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,664 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:13,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 95 [2021-08-12 19:44:13,731 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,853 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:13,853 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 72 treesize of output 100 [2021-08-12 19:44:13,863 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:13,975 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:13,975 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 72 treesize of output 104 [2021-08-12 19:44:13,990 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:14,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,113 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:14,113 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 57 treesize of output 87 [2021-08-12 19:44:14,126 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,257 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:14,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 108 [2021-08-12 19:44:14,277 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:14,385 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 72 treesize of output 104 [2021-08-12 19:44:14,393 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,536 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:14,537 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 87 [2021-08-12 19:44:14,552 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,690 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:14,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 100 [2021-08-12 19:44:14,702 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,815 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:14,815 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 72 treesize of output 104 [2021-08-12 19:44:14,831 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:14,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:14,953 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:14,953 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 72 treesize of output 104 [2021-08-12 19:44:14,971 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,077 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:15,077 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 91 [2021-08-12 19:44:15,119 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,245 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:15,245 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 91 [2021-08-12 19:44:15,284 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,465 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:15,465 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:15,465 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 72 treesize of output 100 [2021-08-12 19:44:15,472 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:15,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,634 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:15,634 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 87 [2021-08-12 19:44:15,662 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:15,792 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 91 [2021-08-12 19:44:15,841 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:15,993 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:15,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 108 [2021-08-12 19:44:16,003 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:16,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,184 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-08-12 19:44:16,185 INFO L354 Elim1Store]: treesize reduction 8, result has 84.9 percent of original size [2021-08-12 19:44:16,185 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 83 [2021-08-12 19:44:16,195 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:16,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,374 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:16,375 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:16,375 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 72 treesize of output 100 [2021-08-12 19:44:16,386 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,531 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:16,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 87 [2021-08-12 19:44:16,550 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:16,696 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 91 [2021-08-12 19:44:16,752 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,876 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:16,877 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 72 treesize of output 104 [2021-08-12 19:44:16,884 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:17,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:17,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 99 [2021-08-12 19:44:17,130 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:17,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:17,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:17,265 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:17,266 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 72 treesize of output 100 [2021-08-12 19:44:17,272 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:17,397 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:17,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 57 treesize of output 95 [2021-08-12 19:44:17,420 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:26,669 WARN L205 SmtUtils]: Spent 9.25 s on a formula simplification. DAG size of input: 967 DAG size of output: 663 [2021-08-12 19:44:26,671 INFO L628 ElimStorePlain]: treesize reduction 5205, result has 55.3 percent of original size [2021-08-12 19:44:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:26,846 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:26,847 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:26,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 162 treesize of output 174 [2021-08-12 19:44:26,922 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,090 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:27,091 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:27,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 200 treesize of output 206 [2021-08-12 19:44:27,262 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,419 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:27,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 188 treesize of output 190 [2021-08-12 19:44:27,510 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,644 INFO L354 Elim1Store]: treesize reduction 4, result has 90.7 percent of original size [2021-08-12 19:44:27,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 132 treesize of output 136 [2021-08-12 19:44:27,673 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:27,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:27,862 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:27,863 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:27,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 162 treesize of output 174 [2021-08-12 19:44:28,046 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,222 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:28,222 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:28,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 151 treesize of output 165 [2021-08-12 19:44:28,292 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,481 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:28,481 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:28,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 243 treesize of output 239 [2021-08-12 19:44:28,731 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,896 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-08-12 19:44:28,896 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 6 case distinctions, treesize of input 150 treesize of output 156 [2021-08-12 19:44:28,926 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:28,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:29,106 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:29,107 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:29,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 197 treesize of output 205 [2021-08-12 19:44:29,184 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:29,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:29,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:29,369 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:29,370 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:29,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 210 treesize of output 216 [2021-08-12 19:44:29,431 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:29,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:29,629 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:29,629 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:29,630 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 151 treesize of output 157 [2021-08-12 19:44:29,684 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:29,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:29,866 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:29,867 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:29,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 168 treesize of output 180 [2021-08-12 19:44:30,016 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:30,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,154 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:30,155 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 6 case distinctions, treesize of input 100 treesize of output 122 [2021-08-12 19:44:30,276 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,496 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:30,497 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:30,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 172 treesize of output 180 [2021-08-12 19:44:30,635 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:30,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,801 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-08-12 19:44:30,801 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 6 case distinctions, treesize of input 144 treesize of output 152 [2021-08-12 19:44:30,829 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:30,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:30,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:31,026 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:31,026 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:31,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 240 treesize of output 236 [2021-08-12 19:44:31,143 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:31,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:31,364 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:31,365 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:31,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 163 treesize of output 173 [2021-08-12 19:44:31,631 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:31,827 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:31,827 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:31,828 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 162 treesize of output 166 [2021-08-12 19:44:31,890 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:31,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:32,038 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:32,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 152 treesize of output 174 [2021-08-12 19:44:32,590 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 6 xjuncts. [2021-08-12 19:44:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:32,793 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:32,793 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:32,794 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 151 treesize of output 157 [2021-08-12 19:44:32,822 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:32,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:32,970 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:32,970 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 220 treesize of output 212 [2021-08-12 19:44:33,168 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 5 xjuncts. [2021-08-12 19:44:33,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:33,367 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-08-12 19:44:33,367 INFO L354 Elim1Store]: treesize reduction 4, result has 93.4 percent of original size [2021-08-12 19:44:33,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 152 treesize of output 170 [2021-08-12 19:44:33,522 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:33,662 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:33,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 159 treesize of output 163 [2021-08-12 19:44:33,803 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2021-08-12 19:44:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:33,957 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:33,957 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 212 treesize of output 208 [2021-08-12 19:44:34,105 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 5 xjuncts. [2021-08-12 19:44:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,305 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:34,306 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:34,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 179 [2021-08-12 19:44:34,461 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,624 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:34,624 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 90 treesize of output 116 [2021-08-12 19:44:34,655 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,876 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:34,877 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-08-12 19:44:34,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 118 [2021-08-12 19:44:34,934 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,116 INFO L354 Elim1Store]: treesize reduction 4, result has 90.7 percent of original size [2021-08-12 19:44:35,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 170 treesize of output 164 [2021-08-12 19:44:35,143 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,343 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:35,344 INFO L354 Elim1Store]: treesize reduction 4, result has 92.5 percent of original size [2021-08-12 19:44:35,344 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 235 treesize of output 223 [2021-08-12 19:44:35,499 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:35,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,707 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-08-12 19:44:35,707 INFO L354 Elim1Store]: treesize reduction 4, result has 92.2 percent of original size [2021-08-12 19:44:35,707 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 6 case distinctions, treesize of input 159 treesize of output 167 [2021-08-12 19:44:35,817 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:35,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:35,975 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 224 treesize of output 220 [2021-08-12 19:44:36,294 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 4 xjuncts. [2021-08-12 19:44:36,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:36,435 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:36,435 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 162 treesize of output 170 [2021-08-12 19:44:36,766 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 4 xjuncts. [2021-08-12 19:44:51,267 WARN L205 SmtUtils]: Spent 14.50 s on a formula simplification. DAG size of input: 1606 DAG size of output: 683 [2021-08-12 19:44:51,268 INFO L628 ElimStorePlain]: treesize reduction 14242, result has 23.5 percent of original size [2021-08-12 19:44:51,962 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 616 [2021-08-12 19:44:53,596 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 3 dim-1 vars, End of recursive call: 32 dim-0 vars, and 32 xjuncts. [2021-08-12 19:44:53,597 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 36 variables, input treesize:3361, output treesize:5735 [2021-08-12 19:44:53,803 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1342 DAG size of output: 1342 [2021-08-12 19:44:55,868 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 1405 DAG size of output: 214 [2021-08-12 19:44:56,985 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 103 [2021-08-12 19:44:57,579 INFO L446 ElimStorePlain]: Different costs {3=[C, v_prenex_673], 6=[v_prenex_669, v_prenex_671]} [2021-08-12 19:44:57,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:44:57,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:44:57,587 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-08-12 19:44:57,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:57,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:44:57,593 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 12 [2021-08-12 19:44:57,594 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:57,743 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-08-12 19:44:57,743 INFO L628 ElimStorePlain]: treesize reduction 176, result has 45.0 percent of original size [2021-08-12 19:44:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:57,748 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 [2021-08-12 19:44:57,749 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:57,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:57,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:44:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:57,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:44:57,799 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:57,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 19:44:57,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:57,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:57,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:44:57,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:44:57,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-08-12 19:44:57,847 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-12 19:44:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-12 19:44:57,851 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 [2021-08-12 19:44:57,852 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-08-12 19:44:57,899 INFO L628 ElimStorePlain]: treesize reduction 17, result has 80.2 percent of original size [2021-08-12 19:44:57,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 19:44:57,901 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:387, output treesize:5 [2021-08-12 19:44:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-12 19:44:57,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693825343] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:44:57,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:44:57,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 15] total 19 [2021-08-12 19:44:57,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315889589] [2021-08-12 19:44:57,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 19:44:57,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:44:57,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 19:44:57,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-08-12 19:44:57,950 INFO L87 Difference]: Start difference. First operand 9133 states and 32692 transitions. Second operand has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 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) [2021-08-12 19:44:59,347 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-08-12 19:45:01,226 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 287 DAG size of output: 251 [2021-08-12 19:45:02,658 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 93 [2021-08-12 19:45:03,290 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-08-12 19:45:05,369 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2021-08-12 19:45:07,178 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 287 DAG size of output: 251 [2021-08-12 19:45:07,810 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-08-12 19:45:08,957 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-08-12 19:45:09,553 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-08-12 19:45:11,754 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 288 DAG size of output: 252 [2021-08-12 19:45:13,489 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 252 [2021-08-12 19:45:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:45:20,052 INFO L93 Difference]: Finished difference Result 15045 states and 52011 transitions. [2021-08-12 19:45:20,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-12 19:45:20,052 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 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 [2021-08-12 19:45:20,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:45:20,090 INFO L225 Difference]: With dead ends: 15045 [2021-08-12 19:45:20,090 INFO L226 Difference]: Without dead ends: 14629 [2021-08-12 19:45:20,094 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 18218.6ms TimeCoverageRelationStatistics Valid=476, Invalid=2494, Unknown=0, NotChecked=0, Total=2970 [2021-08-12 19:45:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14629 states. [2021-08-12 19:45:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14629 to 10726. [2021-08-12 19:45:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10726 states, 10725 states have (on average 3.6473659673659675) internal successors, (39118), 10725 states have internal predecessors, (39118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:45:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10726 states to 10726 states and 39118 transitions. [2021-08-12 19:45:21,825 INFO L78 Accepts]: Start accepts. Automaton has 10726 states and 39118 transitions. Word has length 35 [2021-08-12 19:45:21,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:45:21,825 INFO L482 AbstractCegarLoop]: Abstraction has 10726 states and 39118 transitions. [2021-08-12 19:45:21,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 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) [2021-08-12 19:45:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 10726 states and 39118 transitions. [2021-08-12 19:45:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:45:21,841 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:45:21,841 INFO L550 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] [2021-08-12 19:45:22,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5405,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:45:22,042 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:45:22,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:45:22,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1895231910, now seen corresponding path program 40 times [2021-08-12 19:45:22,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:45:22,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006917045] [2021-08-12 19:45:22,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:45:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:45:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:22,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:45:22,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006917045] [2021-08-12 19:45:22,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006917045] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:22,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526324513] [2021-08-12 19:45:22,064 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 [2021-08-12 19:45:22,092 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 19:45:22,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:45:22,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-12 19:45:22,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:45:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:22,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526324513] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:22,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:45:22,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 19:45:22,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101261426] [2021-08-12 19:45:22,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 19:45:22,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:45:22,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 19:45:22,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-12 19:45:22,131 INFO L87 Difference]: Start difference. First operand 10726 states and 39118 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) [2021-08-12 19:45:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:45:28,472 INFO L93 Difference]: Finished difference Result 14815 states and 51637 transitions. [2021-08-12 19:45:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 19:45:28,473 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 [2021-08-12 19:45:28,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:45:28,514 INFO L225 Difference]: With dead ends: 14815 [2021-08-12 19:45:28,514 INFO L226 Difference]: Without dead ends: 14459 [2021-08-12 19:45:28,518 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 25.9ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-12 19:45:28,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14459 states. [2021-08-12 19:45:30,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14459 to 10754. [2021-08-12 19:45:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 10753 states have (on average 3.6454942806658606) internal successors, (39200), 10753 states have internal predecessors, (39200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:45:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 39200 transitions. [2021-08-12 19:45:30,115 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 39200 transitions. Word has length 35 [2021-08-12 19:45:30,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:45:30,116 INFO L482 AbstractCegarLoop]: Abstraction has 10754 states and 39200 transitions. [2021-08-12 19:45:30,116 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) [2021-08-12 19:45:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 39200 transitions. [2021-08-12 19:45:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:45:30,131 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:45:30,131 INFO L550 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] [2021-08-12 19:45:30,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8154 [2021-08-12 19:45:30,332 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:45:30,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:45:30,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1528440094, now seen corresponding path program 41 times [2021-08-12 19:45:30,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:45:30,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20259982] [2021-08-12 19:45:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:45:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:45:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 19:45:30,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:45:30,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20259982] [2021-08-12 19:45:30,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20259982] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:30,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067457493] [2021-08-12 19:45:30,362 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 [2021-08-12 19:45:30,408 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-12 19:45:30,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:45:30,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-12 19:45:30,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:45:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-12 19:45:30,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067457493] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:30,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:45:30,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-08-12 19:45:30,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814913090] [2021-08-12 19:45:30,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 19:45:30,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:45:30,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 19:45:30,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-12 19:45:30,450 INFO L87 Difference]: Start difference. First operand 10754 states and 39200 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) [2021-08-12 19:45:36,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:45:36,671 INFO L93 Difference]: Finished difference Result 14520 states and 50845 transitions. [2021-08-12 19:45:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 19:45:36,672 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 [2021-08-12 19:45:36,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:45:36,718 INFO L225 Difference]: With dead ends: 14520 [2021-08-12 19:45:36,718 INFO L226 Difference]: Without dead ends: 14181 [2021-08-12 19:45:36,723 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 37.3ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-08-12 19:45:36,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14181 states. [2021-08-12 19:45:38,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14181 to 9266. [2021-08-12 19:45:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9266 states, 9265 states have (on average 3.6116567728008633) internal successors, (33462), 9265 states have internal predecessors, (33462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:45:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9266 states to 9266 states and 33462 transitions. [2021-08-12 19:45:38,324 INFO L78 Accepts]: Start accepts. Automaton has 9266 states and 33462 transitions. Word has length 35 [2021-08-12 19:45:38,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:45:38,325 INFO L482 AbstractCegarLoop]: Abstraction has 9266 states and 33462 transitions. [2021-08-12 19:45:38,325 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) [2021-08-12 19:45:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 9266 states and 33462 transitions. [2021-08-12 19:45:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:45:38,339 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:45:38,339 INFO L550 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] [2021-08-12 19:45:38,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8155,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 19:45:38,540 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:45:38,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:45:38,540 INFO L82 PathProgramCache]: Analyzing trace with hash 816089412, now seen corresponding path program 42 times [2021-08-12 19:45:38,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:45:38,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70669080] [2021-08-12 19:45:38,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:45:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:45:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:38,569 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:45:38,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70669080] [2021-08-12 19:45:38,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70669080] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:38,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445973454] [2021-08-12 19:45:38,569 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 [2021-08-12 19:45:38,601 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 19:45:38,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:45:38,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-12 19:45:38,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:45:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:38,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445973454] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:38,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:45:38,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-08-12 19:45:38,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991178767] [2021-08-12 19:45:38,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 19:45:38,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:45:38,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 19:45:38,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-12 19:45:38,638 INFO L87 Difference]: Start difference. First operand 9266 states and 33462 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) [2021-08-12 19:45:44,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:45:44,228 INFO L93 Difference]: Finished difference Result 11578 states and 40197 transitions. [2021-08-12 19:45:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 19:45:44,228 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 [2021-08-12 19:45:44,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:45:44,261 INFO L225 Difference]: With dead ends: 11578 [2021-08-12 19:45:44,261 INFO L226 Difference]: Without dead ends: 11210 [2021-08-12 19:45:44,263 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 32.1ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-08-12 19:45:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11210 states. [2021-08-12 19:45:45,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11210 to 9142. [2021-08-12 19:45:45,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9142 states, 9141 states have (on average 3.6199540531670498) internal successors, (33090), 9141 states have internal predecessors, (33090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:45:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 33090 transitions. [2021-08-12 19:45:45,862 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 33090 transitions. Word has length 35 [2021-08-12 19:45:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:45:45,862 INFO L482 AbstractCegarLoop]: Abstraction has 9142 states and 33090 transitions. [2021-08-12 19:45:45,862 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) [2021-08-12 19:45:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 33090 transitions. [2021-08-12 19:45:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:45:45,876 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:45:45,876 INFO L550 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] [2021-08-12 19:45:46,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8156 [2021-08-12 19:45:46,076 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:45:46,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:45:46,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1386836804, now seen corresponding path program 43 times [2021-08-12 19:45:46,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:45:46,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418316489] [2021-08-12 19:45:46,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:45:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:45:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:46,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:45:46,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418316489] [2021-08-12 19:45:46,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418316489] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:46,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073639727] [2021-08-12 19:45:46,100 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 [2021-08-12 19:45:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:45:46,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-12 19:45:46,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:45:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:46,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073639727] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:46,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:45:46,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 19:45:46,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901295908] [2021-08-12 19:45:46,175 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 19:45:46,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:45:46,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 19:45:46,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-12 19:45:46,175 INFO L87 Difference]: Start difference. First operand 9142 states and 33090 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) [2021-08-12 19:45:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:45:52,907 INFO L93 Difference]: Finished difference Result 14011 states and 49633 transitions. [2021-08-12 19:45:52,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 19:45:52,907 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 [2021-08-12 19:45:52,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:45:52,960 INFO L225 Difference]: With dead ends: 14011 [2021-08-12 19:45:52,960 INFO L226 Difference]: Without dead ends: 13646 [2021-08-12 19:45:52,965 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 22.1ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-12 19:45:52,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13646 states. [2021-08-12 19:45:54,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13646 to 11899. [2021-08-12 19:45:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11899 states, 11898 states have (on average 3.6777609682299546) internal successors, (43758), 11898 states have internal predecessors, (43758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:45:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11899 states to 11899 states and 43758 transitions. [2021-08-12 19:45:54,988 INFO L78 Accepts]: Start accepts. Automaton has 11899 states and 43758 transitions. Word has length 35 [2021-08-12 19:45:54,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 19:45:54,988 INFO L482 AbstractCegarLoop]: Abstraction has 11899 states and 43758 transitions. [2021-08-12 19:45:54,988 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) [2021-08-12 19:45:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 11899 states and 43758 transitions. [2021-08-12 19:45:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 19:45:55,007 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 19:45:55,007 INFO L550 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] [2021-08-12 19:45:55,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8157 [2021-08-12 19:45:55,207 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 19:45:55,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 19:45:55,208 INFO L82 PathProgramCache]: Analyzing trace with hash -262474712, now seen corresponding path program 44 times [2021-08-12 19:45:55,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 19:45:55,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116065928] [2021-08-12 19:45:55,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 19:45:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 19:45:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:55,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 19:45:55,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116065928] [2021-08-12 19:45:55,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116065928] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:55,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889988618] [2021-08-12 19:45:55,228 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 [2021-08-12 19:45:55,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 19:45:55,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 19:45:55,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-12 19:45:55,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 19:45:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-12 19:45:55,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889988618] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 19:45:55,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 19:45:55,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 19:45:55,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072959867] [2021-08-12 19:45:55,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 19:45:55,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 19:45:55,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 19:45:55,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-12 19:45:55,302 INFO L87 Difference]: Start difference. First operand 11899 states and 43758 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) [2021-08-12 19:46:02,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 19:46:02,500 INFO L93 Difference]: Finished difference Result 15229 states and 54016 transitions. [2021-08-12 19:46:02,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 19:46:02,501 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 [2021-08-12 19:46:02,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 19:46:02,554 INFO L225 Difference]: With dead ends: 15229 [2021-08-12 19:46:02,554 INFO L226 Difference]: Without dead ends: 14885 [2021-08-12 19:46:02,561 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.2ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-12 19:46:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14885 states. Received shutdown request... [2021-08-12 19:46:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14885 to 11952. [2021-08-12 19:46:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11952 states, 11951 states have (on average 3.6728307254623043) internal successors, (43894), 11951 states have internal predecessors, (43894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 19:46:04,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8158 [2021-08-12 19:46:04,795 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-12 19:46:04,798 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 19:46:04,799 WARN L188 ceAbstractionStarter]: Timeout [2021-08-12 19:46:04,799 INFO L202 PluginConnector]: Adding new model three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 07:46:04 BasicIcfg [2021-08-12 19:46:04,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 19:46:04,799 INFO L168 Benchmark]: Toolchain (without parser) took 522073.50 ms. Allocated memory was 183.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 163.3 MB in the beginning and 1.1 GB in the end (delta: -926.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2021-08-12 19:46:04,799 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 183.5 MB. Free memory is still 164.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 19:46:04,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.66 ms. Allocated memory is still 183.5 MB. Free memory was 163.3 MB in the beginning and 161.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 19:46:04,800 INFO L168 Benchmark]: Boogie Preprocessor took 22.40 ms. Allocated memory is still 183.5 MB. Free memory was 161.7 MB in the beginning and 160.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 19:46:04,800 INFO L168 Benchmark]: RCFGBuilder took 286.32 ms. Allocated memory is still 183.5 MB. Free memory was 160.6 MB in the beginning and 146.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-12 19:46:04,800 INFO L168 Benchmark]: TraceAbstraction took 521731.10 ms. Allocated memory was 183.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 145.6 MB in the beginning and 1.1 GB in the end (delta: -943.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2021-08-12 19:46:04,800 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 0.13 ms. Allocated memory is still 183.5 MB. Free memory is still 164.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.66 ms. Allocated memory is still 183.5 MB. Free memory was 163.3 MB in the beginning and 161.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.40 ms. Allocated memory is still 183.5 MB. Free memory was 161.7 MB in the beginning and 160.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 286.32 ms. Allocated memory is still 183.5 MB. Free memory was 160.6 MB in the beginning and 146.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 521731.10 ms. Allocated memory was 183.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 145.6 MB in the beginning and 1.1 GB in the end (delta: -943.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 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 ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 521616.4ms, OverallIterations: 49, TraceHistogramMax: 3, EmptinessCheckTime: 431.6ms, AutomataDifference: 184372.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 29.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1906 SDtfs, 9607 SDslu, 12453 SDs, 0 SdLazy, 28712 SolverSat, 1823 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 20486.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2439 GetRequests, 1098 SyntacticMatches, 7 SemanticMatches, 1334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15279 ImplicationChecksByTransitivity, 90475.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11899occurred in iteration=48, InterpolantAutomatonStates: 1045, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 27614.8ms AutomataMinimizationTime, 49 MinimizatonAttempts, 102506 StatesRemovedByMinimization, 48 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 202.4ms SsaConstructionTime, 1002.9ms SatisfiabilityAnalysisTime, 297682.2ms InterpolantComputationTime, 2923 NumberOfCodeBlocks, 2917 NumberOfCodeBlocksAsserted, 151 NumberOfCheckSat, 2831 ConstructedInterpolants, 46 QuantifiedInterpolants, 133653 SizeOfPredicates, 131 NumberOfNonLiveVariables, 3655 ConjunctsInSsa, 896 ConjunctsInUnsatCore, 92 InterpolantComputations, 6 PerfectInterpolantSequences, 273/1088 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